Correctexams.com Exam :640-605 Title:Remote Access Version Number:6.0 Fast Way to get your Certification Real Level Practice Questions Guides www.correctexams.com Important Note: Please Read Carefully This Study Guide has been carefully written and compiled by correctexams experts It is designed to help you learn the concepts behind the questions rather than be a strict memorization tool Repeated readings will increase your comprehension We continually add to and update our Study Guides with new questions, so check that you have the latest version of this Guide right before you take your exam For security purposes, each PDF file is encrypted with a unique serial number associated with your correct Exams account information In accordance with International Copyright Law, correctexams reserves the right to take legal action against you should we find copies of this PDF file has been distributed to other parties Please tell us what you think of this Study Guide We appreciate both positive and critical comments as your feedback helps us improve future versions We thank you for buying our Study Guides and look forward to supplying you with all your Certification training needs Good studying! correctexams Technical and Support Team www.correctexams.com Fast Way to get your Certification QUESTION NO: ITU-T Q 931 is the protocol for which layer and channel? A B C D Layer3; D channel Layer2; B channel Layer2; B channel Layer3; C channel Answer: A Explanation: Q.931 is ISDN's connection control protocol It operates at Layer on the ISDN D channel Q.931 manages connection setup and breakdown QUESTION NO: Which statement is true? A B C A DSS1 is a subset of Q 931 The B channel is governed by DDR ITU-T Q 931 defines call control between the TE and the LE ITU-T Q 931 is specified as the protocol for the layer of the ISDN D channel Answer: C Explanation: Q.931 is ISDN's connection control protocol Q.931 manages connection setup and breakdown It enables TE (Terminal Equipment) device, typically a router or a workstation, to set up an ISDN connection with the telco switch QUESTION NO: What are two interface configuration tasks for ISDN BRI? (Choose two) A B C D Assign the interface type as BRI Assign the interface to a dialer group Specify the ISDN providers switch type Specify static routes to remote ISDN locations Answer: B, C Explanation: www.correctexams.com -3- Fast Way to get your Certification B: To control access to the interface, the interface must be assigned to a dialer group Note: The dialer-group group-number command is used to assign the interface to a dialer group C: The telco switch type must be specified Note: The isdn switch-type switch-type command is used to configure the ISDN BRI switch type, as specified by the local service provider Examples of switch types are: DMS-100 BRI Custom and 5ESS Custom BRI Reference: Cisco, Configuring ISDN BRI QUESTION NO: Exhibit Based on the information in the exhibit, which X.25 interface configuration command will cause IP traffic from router R1 to be routed to Router R2? A B C D X25 map IP 10.60.8.2 31237654321 X25 10.60.8.2 31237654321 map IP X25 map IP 31237654321 10.60.8.2 X25 map IP 10.60.8.1 31237654321 Answer: A Explanation: We must map the target IP address, the IP address of R2 (10.60.8.2), to the correct X.121 address The correct syntax is: X25 map IP target-IP-address X.121-adress QUESTION NO: Which statement about the ISDN switch-type command is True? A It is a PRI controller command B It selects the PRI controller line code www.correctexams.com -4- Fast Way to get your Certification C It is both a global and an interface command D It defines the type of signaling used by the ISDN service provider switch Answer: C Explanation: Switch type can be defined globally or on interfaces Before IOS 11.3T switch type could only be defined globally Note: The isdn switch-type switch-type command is used to configure the ISDN BRI switch type, as specified by the local service provider Examples of switch types are: DMS-100 BRI Custom and 5ESS Custom BRI Reference: Cisco, Configuring ISDN BRI Incorrect Answers A: It is a BRI controller command, not a PRI controller command B: It specifies the ISDN provider switch type, not the PRI controller line code D: We define what type of signaling the local router should use We cannot configure the telco router QUESTION NO: Which command displays the status information including LAPB for an interface serial0 that is running IP traffic over an X.25 network Find the correct command in the exhibit list and type it exactly as shown? Answer: show interface serial0 Explanation: To confirm that the X25 serial interface is functioning correctly study the output of the show interface serial0 command Reference: Cisco Configuring X.25 QUESTION NO: Given the configuration Access-list 101 permit ip any any Access-list 1.1 deny TCP any any eq ftp Dialer list protocol IP list 101 Why does the configuration fail to prevent FTP traffic from dialing the line? www.correctexams.com -5- Fast Way to get your Certification A B C D The final configuration line allows all IP traffic to be forwarded The terms “any any” in the deny line allow FTP to be forwarded Since FTP uses two sockets, both must be defined to prevent packet forwarding The “deny” restriction is read after the “permit” line has already allowed packet forwarding Answer: D Explanation: The access lists are matched in order Only the first matching access list is applied In this scenario the first access list: Access-list 101 permit ip any any is applied It will permit any traffic We should swap the order of the access list so that the deny access list is applied first QUESTION NO: Which command configures a T1 PRI for binary 8.0 substitution line coding Find the correct command in the exhibit list and type it exactly as shown Answer: linecode b8zs Explanation: The service-module t1 linecode command configures the T1 CSU/DSU for operation on Binary Zeroes Substitution (B8ZS) or Alternate Mark Inversion (AMI) T1 lines Syntax: service-module t1 linecode {b8zs | ami} Note: B8ZS is a method of ensuring density on a T1 line by substituting intentional bipolar violations in bit positions and for a sequence of eight zero bits Reference: service-module t1 linecode http://www.cisco.com/warp/public/471/65.html www.correctexams.com -6- Fast Way to get your Certification QUESTION NO: Based on the network illustrated in the Exhibit, what is the configuration command for data encapsulation on the serial interface on Router R1? A B C D Encapsulation X25 Encapsulation X21 Encapsulation HDLC Encapsulation X121 Answer: A Explanation: To use X25 on an interface simply use the encapsulation X25 interface command QUESTION NO: 10 Which T1 controller command configures the controller for ISDN PRI operation? A B C D Framing Line code PRI-Group ISDN Switch-type Answer: C Explanation: The pri-group [timeslots range] command configures ISDN PRI The command must be issued in controller configuration mode For example: RouterTK(config-controller)# pri-group timeslots 1-10 Note: ISDN PRI is typically used on T1 or E1 lines Reference: Cisco, Configuring ISDN PRI Cisco, Configuring ISDN BRI Incorrect Answers www.correctexams.com -7- Fast Way to get your Certification A: Only defines framing characteristics, for example as cyclic redundancy check (CRC4) B: Only defines the line code, for example high-density bipolar (HDB3) D: The isdn switch-type switch-type command is used to configure so selects a service provider switch type that accommodates PRI (or BRI) Furthermore the isdn switchtype command is general configuration command, not a controller command Note: Examples of switch types are: DMS-100 BRI Custom and 5ESS Custom BRI QUESTION NO: 11 Which three statements about X.25 are true? (Choose three) A It is more commonly used with SVC’s B It is available at speeds higher than 64-Kbps C It is not used unless you need to reach small remote locations with little technology D It is a reliable protocol because there is reliability at both X.25, Layer3 and LAPB Layer2 E It is a reliable protocol because the X.25 protocol at Layer3 provides reliability for the entire protocol stack Answer: A, B, D Explanation: A: X.25 is commonly with switched virtual circuits B: X.25 is available up to T1 speeds (1.544Mbps) D: LAPB specifies methods for exchanging frames, monitoring frame sequence, missing frames, and executing frame acknowledgements and retransmission when necessary Reference: Cisco CCNP Remote Access Exam Certification Guide (#640-505), page 227 Incorrect Answers C: X.25 is still in use E: LAPB also provides reliability QUESTION NO: 12 In U.S which ISDN functional group is provided by the end user device? A LE B TA www.correctexams.com -8- Fast Way to get your Certification C NT1 D TE2 Answer: C Explanation: The native ISDN interface on a Cisco router allows the router to be directly connected to an ISDN NT1 (integrated network termination1) device In many countries, the NT1 is provided by the telephone company In the United States, however, the NT1 is customer-owned equipment QUESTION NO: 13 Which queuing method is enabled by default on low speed Serial Links? A B C D No Queuing Custom Queuing Priority Queuing Weighted Fair Queuing Answer: D Explanation: Weighted Fair Queuing (WFQ), WFQ is a simple technique that gives low volume traffic priority on the link WFQ is enabled by default on low speed Serial Links QUESTION NO: 14 Which two statements about the frame relay LMI configuration are True? (Choose two) A B C D There are three possible LMI types ITU-T QUESTION NO: 933 is the default LMI type The LMI type must be the same on each end (DTE DTE of the connection) With IOS release 11.2 or later no LMI type needs to be entered Answer: A, D Explanation: A: The LMI types are ansi, cisco, and q933a D: Beginning with Cisco IOS Release 11.2, the software supports Local Management Interface (LMI) autosense, which enables the interface to determine the LMI type supported by the switch Support for LMI autosense means that you are no longer required to configure the LMI explicitly www.correctexams.com -9- Fast Way to get your Certification Reference: Cisco, Configuring Frame Relay QUESTION NO: 15 In which two situations would implementing a queuing policy other than FIFO be beneficial? (Choose two) A WAN traffic across a T1 link suffers only occasional congestion at which time certain interactive applications suffer poor performance B A fractional T3 suffers from congestion during normal business hours, time sensitive applications and server connections time out during the most congested periods C A T1 WAN connection experiences utilization from 20% to 50% with no noticeable congestion, link supports several traffic types including file transfers, SNA and interactive applications D It has become evident that large graphics files transfers between the marketing office and the central printing facility are adversely affecting interactive applications whose traffic shares the same T1 link Answer: A, D Explanation: A: The interactive program should have higher priority D: The large file transfers should run at lower priority, for example by using WFQ which would give low volume traffic priority on the link Note: Queuing is only necessary when existing traffic flow is having problems getting through the router Implementation of any queuing strategy results in higher delay in the network Incorrect Answers B: The bandwidth should be increased C: With only 20-50% utilization and no congestion there is no need to use another queuing policy QUESTION NO: 16 What is the first configuration step necessary to enable frame relay traffic shaping? A Specifying and defining map class B Specify the BECN or FECN for traffic adaptation www.correctexams.com - 10 - Fast Way to get your Certification Incorrect Answers B: X.25 is typically used in the packet-switched networks (PSNs) of common carriers C: Frame Relay is an example of a packet-switched technology E: Point-to-point connections have direct communication path and is not circuit switched QUESTION NO: 306 Under which circumstances can a leased line WAN connection considered to be cost effective? (Select two.) A B C D When there are short distances When there are long connection times When there are short connection times When little control over the WAN is needed Answer: A, B Explanation: A: Shorter distance leased line are cheaper B: As a leased line has a fixed cost which is not a factor of the utilization, it is more costeffective if utilization is high Long connections time could motivate a leased line Incorrect Answers C: Short connections lines would not motivate the high cost of a leased line D: A leased line would give exclusive control of the WAN link QUESTION NO: 307 You are the network technician at the main office of TestKing inc There has been an increase in bandwidth requirements of telecommuters connecting to the main offices An upgrade to the access technology is required What would be the most appropriate solution? A B C D ISDN BRI ISDN PRI fractional T1 high-speed leased line Answer: A www.correctexams.com - 151 - Fast Way to get your Certification Explanation: We could assume that the telecommuters use asynchronous serial lines at 53Kbps ISDN BRI would provide 128Kbps and be a good improvement Incorrect Answers B: ISDN PRI would be T1 speed It would be a too expensive solution C: Fractional T1 could be considered if there were only few telecommuters However, ISDN BRI is more cost effective D: A leased line cannot be used for every telecommuter It would be too expensive QUESTION NO: 308 You have purchased a Cisco 3600 series router and you want to connect to an external asynchronous modem Which cable should you use? A B C D E RJ-11 DB-15 twinax EIA-530 EIA/TIA-232 Answer: E Explanation: If utilizing external modems, EIA/TIA-232 cables are necessary to connect the modem to the router Incorrect Answers A: A telephone cable cannot be used B: A serial cable cannot be used C: Twinax refers to a cable used in the IBM 5250 Specification for connection to midrange hosts, like the AS/400 and Advanced/36 D: EIA-530 cabling is not used to connect external modems to routers QUESTION NO: 309 You are configuring Dial-on-demand routing (DDR) However, you run into problems and decide to troubleshoot the problem In particular you want to view the DDR events in real time Which command should use? A B C D show dialer debug dialer debug ppp dialer debug dialer negotiation www.correctexams.com - 152 - Fast Way to get your Certification Answer: B Explanation: The debug dialer events command to display debugging information about the packets received on a dialer interface When DDR is enabled on the interface, information concerning the cause of any call (called the Dialing cause) is displayed Incorrect Answers A: The show dialer command is used to display general diagnostic information for interfaces configured for DDR (dial-on-demand routing) This command would not show events in real time however C, D: There are no such commands QUESTION NO: 310 You are troubleshooting an X.25 network In particular you want troubleshoot an interface that is running IP traffic You want to display status including LAPB information Which command should you use? A B C D E show show show show show lapb x25 lapb interface lapb interface lapb statistics Answer: C Explanation: General status of the interface and LAPB information in particular is produced by the show interface command Incorrect Answers A, B, D, E: There are no such commands QUESTION NO: 311 Your trainee is checking PVC configuration Now she wants to acquire the remote network address related to each PVC Which command should she use to obtain this information? A show ip route B show frame-relay lmi www.correctexams.com - 153 - Fast Way to get your Certification C show frame-relay map D show frame-relay pvc E show frame-relay status Answer: C(?) Explanation: The show frame-relay map command is used to view the DLCI mappings that have been created Incorrect Answers A: The show ip route command is used to display IP routing table entries B: The show frame-relay lmi command is used to display statistics about the Local Management Interface (LMI), D: The show frame-relay pvc command is used o display statistics about permanent virtual circuits (PVCs) for Frame Relay interfaces E: There is no such command QUESTION NO: 312 You must to configure a Cisco access server which only supports external modems You must configure an asynchronous connection for pool dial-in users Which command sequence could be used for a partial configuration in this scenario? A line peer default address 10.2.3.4 async mode interactive ppp authentication chap B interface async peer default address 10.2.3.4 async mode interactive ppp authentication chap C interface async peer default address 10.2.3.4 async mode fixed ppp authentication chap D interface async peer default address 10.2.3.4 async mode fixed ppp authentication chap Answer: B www.correctexams.com - 154 - Fast Way to get your Certification Explanation: First we configure the interface in asynchronous mine with the interface async command Furthermore we should use the async mode interactive command Incorrect Answers A: We must use the interface async command to configure the interface, not the line command C, D: There is no async mode fixed command QUESTION NO: 313 You want have an existing modemcap entry called testking_opt Now you want to create a new modemcap entry named testking_custom based on the attributes of the existing entry testking_opt Which command should you use? A B C D copy modemcap testking_opt testking_custom modemcap edit testking_custom TPL= testking_opt modemcap edit testking_custom template testking_opt modemcap entry testking_custom template testking_opt Answer: C Explanation: The modemcap edit command is used to change a modem value that was returned from the show modemcap command Syntax: modemcap edit modem-name attribute value Reference: Incorrect Answers A: There is no copy modemcap command B: Incorrect syntax D: The modemcap entry command is used to store and compress information about the capability of a specified modem It cannot be used as in the proposed solution Syntax: modemcap entry modem-type QUESTION NO: 314 You must configure a Windows 98 computer so that it can dial-up a Cisco access server Which three configuration issues must be taken care of? (Choose three) A The LAN protocol to be used www.correctexams.com - 155 - Fast Way to get your Certification B C D E The type of security required The error rate on the phone line The connection protocol to be used The asynchronous interface on the access server Answer: A, B, D Explanation: LAN protocol, type of security and connection protocol must be specified at the client Incorrect Answers C: The error rate on the phone line is not critical E: The asynchronous interface used on the access server does not have to specified by the client QUESTION NO: 315 You trainee is studying ISDN In particular he is interested in ISDN reference points defining demarcation between the CPE and the provider He knows how this works in North America, but now he asks you which reference points are used in Europe (Choose two) A B C D R reference point S reference point T reference point U reference point Answer: B, C (?) Explanation: The S reference point is between user terminals and NT2 The T reference point is between NT1 and NT2 devices Note: Outside the US, the NT1 is not considered part of the CPE, but rather is part of the ISDN network The Demare "demarcation point", or the point is where the telephone company's wiring stops and your wiring begins Incorrect Answers A: The R reference point is between non-ISDN equipment and a Terminal Adapter www.correctexams.com - 156 - Fast Way to get your Certification D: The U reference point between NT1 devices and line-termination equipment in the carrier network The U reference point is relevant only in North America, where the NT1 function is not provided by the carrier network QUESTION NO: 316 Which of the following are B-channel Layer protocols? (Choose two) A B C D HDLC LAPD LAPB DSS1 Answer: A, C Explanation: A: HDLC, High-Level Data Link Control, is one of the most common layer protocols It is B-channel protocol C: LAPB, Link Access Procedure Balanced, comprises Layer of the X.25 Model LAPB is a derivative of HDLC Incorrect Answers B: LAPD, Link Access Procedure D channel, works at the D Channel D: DSS1 is a layer D channel protocol QUESTION NO: 317 Exhibit: RouterTestKing#show isdn status Global ISDN Switchtype = basic-ni ISDN BRI1/0 interface Dsl 0, interface ISDN Switchtype = basic-ni Layer Status: ACTIVATE Layer Status: TEI = 112, Ces = 1,SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED TEI = 65, Ces = 2, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED You study the exhibit In particular you study the line: TEI = 65, Ces = 2, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED www.correctexams.com - 157 - Fast Way to get your Certification What TE1 = 65 and State = MULTIPLE_FRAME_ESTABLISHED layer status messages indicate? (Choose two) A B C D This connection is a BRI This connection is a PRI You have Layer connectivity to the ISDN switch You have Layer connectivity to your configured Layer protocol Answer: A, C Explanation: A: The exhibit indicates that this is a BRI connection not a PRI: ISDN BRI1/0 interface Note: The Terminal Endpoint Identifier (TEI) valid number range is 64 to 126 C: A state=MULTIPLE_FRAME_ESTABLISHED indicates there is data link connectivity to the telco ISDN switch Reference: Using the show isdn status Command for BRI Troubleshooting http://www.cisco.com/warp/public/129/bri_sh_isdn_stat.html Incorrect Answers B: The exhibit indicates that this is a BRI connection not a PRI: ISDN BRI1/0 interface D: This is layer status QUESTION NO: 318 You are configuring ISDN BRI Which of the following tasks can be entered in global configuration mode? (Choose two) A B C D E Select switch type DDR dialer information Specify idle timeout value Configure ISDN addressing Specify traffic to trigger a DDR call Answer: A, E QUESTION NO: 319 www.correctexams.com - 158 - Fast Way to get your Certification You are configuring T1/E1 line-code options Which of the following are valid choices? (Select two.) A B C D ESF AMI B8ZS CRC4 Answer: B, C Explanation: AMI and B8ZS are valid line code options for T1 AMI and HDR3 are valid line code options for E1 Incorrect Answers A: ESF is used for T1 framing D: CRC4 is used for E1 framing QUESTION NO: 320 You are configuring Dial-on-demand routing (DDR) and you want to hold packets that accumulate while waiting for the line to come up Which command can you use to achieve your goal? A B C D Use the hold-queue command Use the no fair-queue command Use the dialer hold-queue command Use the dialer wait-for-carrier-time command Answer: C Explanation: The dialer hold-queue command is used to allow "interesting" outgoing packets to be queued until a modem connection is established and to specify a timeout period for PPP callback connections to be established, Syntax: dialer hold-queue packets timeout seconds Incorrect Answers A: This command does not apply here B: The no fair-queue command is used to delete the configured number of dynamic queues D: The dialer wait-for-carrier-time command is used to specify how long to wait for a carrier www.correctexams.com - 159 - Fast Way to get your Certification QUESTION NO: 321 You trainee asks you why you are using the backup delay command What should you tell him? A B C D To specify timers to activate/drop a backup line after failure To specify percentage of load before activating a backup line To specify the administrative distance of a DDR backup facility To define a line as a backup for load-balancing during high traffic Answer: A Explanation: The backup delay command is used to define how much time should elapse before a secondary line status changes after a primary line status has changed QUESTION NO: 322 You are required to configure ISDN on your router In particular you must configure an ISDN interface You want the interface to be a member of a dialer pool 20 and you want to router to use this interface first when it dials out Furthermore, you must use the highest level of priority www.correctexams.com - 160 - Fast Way to get your Certification Answer: Explanation: The dialer pool-member interface configuration command is used to configure a physical interface to be a member of a dialer profile dialing pool Partial syntax: dialer pool-member number [priority priority] where The number is the pool number, in the range through 255 The priority is the priority of this interface within the dialing pool, in the range (lowest) to 255 (highest) QUESTION NO: 323 You are network technician at TestKing and you are now required to troubleshoot Dial-on-demand routing (DDR) on an ISDN line You would like acquire the source and destination IP of the DDR connection Which commands would be useful? (Choose two.) A B C D show spid debug dialer show dialer state show dialer interface Answer: B; D Explanation: B: The debug dialer command displays debugging information about the packets received on a dialer interface D: The show dialer interface bri command is used to display general diagnostic information for ISDN BRI interfaces configured for DDR (dial-on-demand routing) Incorrect Answers A: There is no such command C: There is no such command www.correctexams.com - 161 - Fast Way to get your Certification QUESTION NO: 324 You are configuring a backup interface and you issue the command backup load 70 Your trainee asks you what significance of the number in this command A B C D Tells the backup interface that it needs to come up in minutes Tells the backup interface it can end the connection in minutes Tells the backup interface to use only 8% of the connection’s bandwidth Tells the backup interface to disable if the aggregated load falls to 8% of the primary’s bandwidth Answer: D Explanation: The backup load interface configuration command is used to set a traffic load threshold for dial backup service Syntax: backup load {enable-threshold | never} {disable-load | never} Where enable-threshold: Percentage of the primary line's available bandwidth that the traffic load must exceed to enable dial backup disable-load: Percentage of the primary line's available bandwidth that the traffic load must be less than to disable dial backup never: Sets the secondary line never to be activated due to traffic load www.correctexams.com - 162 - Fast Way to get your Certification Exhibit List Select a command from this list and type it as an answer aaa authentication log exec aaa authentication log local aaa authentication login default tacacs+ local aaa authorization exec local aaa new-model aaa rev authenticate ppp chap autodetect ppp autoselect ppp backup interface bri backup interface dialer 12 backup interface profile 12 backup load 50 never backup util 50 keep coding b8zs coding esf config dialer fast-idle 10 dialer group 12 dialer hold-queue 50 dialer idle-timeout 10 dialer in-band dialer load-threshold 128 dialer member 12 dialer pool12 dialer pool-member 12 dialer rotary-group 12 dialer timeout 10 dialer wait-for-carrier-time 10 dialer-group dialer-list allow ip dialer-list protocol ip permit encapsulation 80 encapsulation frame-relay ietf exec frame-relay adaptive-shaping becn frame-relay compress data frame-relay flow becn frame-relay lmi-type ansi frame-relay payload-compress www.correctexams.com - 163 - Fast Way to get your Certification framing esf interface group-async12 interface dialer 12 interface serial 12 interface serial 1/0:23 interface serial 23/1/0 ip nat inside isdn switch-type basic-5ess LAPD LAPM Limecode b8zs lmi ietf login modem aft telebit_t3000 modem at-mode 1/1 modem autoconfigure discovery modem autoconfigure type telebit_t3000 modem flow on modem inout modem type telebit_t3000 modem type telebit modemcap add corp1 modemcap config corp1 modemcap edit corp1 modemcap entry corp1 nat ip in in ppp authentication chap priority-group priority-list protocol ip 50 priority-list protocol ip medium queue 50 queue2 ipx queue-list protocol ipx rotary group 12 show config nat show custom show dialer interface bri show frame 117 show frame-relay map show frame-relay pvc 117 show interface serial show ip nat translations show ip nat show pat config www.correctexams.com - 164 - Fast Way to get your Certification show queueing custom show serial bri show serial 0:0 tacacs ip 157.32.123.39 tacacs-server host 157.32.123.39 x25 addresspriority-list x25 address protocol ip medium www.correctexams.com - 165 - ... the exhibit www.correctexams.com - 26 - Fast Way to get your Certification Note: The modem autoconfigure type command is used to direct a line to attempt to configure the attached modem using the... back the line in response to a loop back command from a remote site to allow testing up to that interface Answer: B www.correctexams.com - 29 - Fast Way to get your Certification QUESTION NO:... www.correctexams.com -8- Fast Way to get your Certification C NT1 D TE2 Answer: C Explanation: The native ISDN interface on a Cisco router allows the router to be directly connected to an ISDN NT1 (integrated