Which of the following could describe the devices labeled "?" in the graphic? (Choose three.) **DCE **CSU/DSU LAN switch **modem hub -------------------------------------------------- Router A and Router B have been correctly configured to use RIP as a dynamic routing protocol and all intefaces on Router A and Router B are reporting "interface is up, line protocol is up" status. RIP is then configured on Router C using the following commands: RouterC(config)# router rip RouterC(config-router)# network 192.168.4.0 RouterC(config-router)# network 172.16.0.0 If no additional routing is configured on Router A, Router B, and Router C, what will be the result? **Networks 192.168.12.0/24, 192.168.4.0/24, and 172.16.0.0/16 will be unreachable from Router A. Router A will have no knowledge of network 192.168.12.0/24, but will have routes to networks 192.168.4.0/24 and 172.16.0.0/16. All networks shown in the graphic will be reachable by Router A, Router B, and Router C. Networks 192.168.4.0/24 and 172.16.0.0/16 will be unreachable from Router A and Router B. --------------------------------------------------------- The following access list has been correctly applied to a router interface: access-list 52 deny 172.30.65.52 access-list 52 permit any Which of the following statements are true about this ACL? (Choose three.) This is an invalid ACL because the wildcard mask is missing from the command. **A wildcard mask of 0.0.0.0 is assumed for 172.30.65.52. This is an extended IP access list. **All traffic from 172.30.65.51 will be permitted. **This is a standard IP access list. ---------------------------------------------------------- Refer to the graphic. Assuming default metrics are used and the network is fully converged, which path will the IGRP routing protocol use to send a packet from Router A to Router F? A, D, E, F **A, B, D, E, F A, C, D, E, G, F A, B, D, E, G, F ---------------------------------------------------------- Neither router in the graphic has a host table or DNS available. The interfaces and passwords have been correctly configured. Which of the following commands will initiate a Telnet session? (Choose two.) ATL> connect CHI ATL> telnet CHI **ATL# 192.168.4.2 ATL# connect ATL **CHI# telnet 192.168.4.1 CHI# telnet ATL --------------------------------------------------------- What will occur if the command service password-encryption is entered on a router? (Choose two). It will allow only the user EXEC mode password to be encrypted. It will set an MD5 hashing algorithm on all unencrypted passwords. **It will apply a weak encryption to all unencrypted passwords. It will set the enable secret password to be encrypted. It will apply an MD5 hashing algorithm to encrypt the console and telnet passwords. **It will configure the user EXEC mode, telnet, and enable passwords as encrypted. ---------------------------------------------------------- A network administrator must configure a serial interface with an IP address. The configuration must also identify the remote site to which the interface is connected. Which set of commands will meet these requirements? Chicago(config)# description San Jose T1 Chicago(config)# interface serial0/0 Chicago(config-if)# ip address 192.168.204.9 255.255.255.252 **Chicago(config)# interface serial0/0 **Chicago(config-if)# ip address 192.168.204.9 255.255.255.252 **Chicago(config-if)# description San Jose T1 Chicago(config)# interface serial0/0 Chicago(config-if)# ip address 192.168.204.9 netmask 255.255.255.252 Chicago(config-if)# description San Jose T1 Chicago(config)# interface serial0/0 Chicago(config-if)# ip address 192.168.204.9 255.255.255.252 Chicago(config-if)# remote site San Jose T1 Chicago(config)# interface serial0/0 Chicago(config-if)# ip address 192.168.204.9 255.255.255.252 Chicago(config-if)# interface description San Jose T1 ------------------------------------------------------ A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A? A(config)# router rip A(config-router)# passive-interface S0/0 B(config)# router rip B(config-router)# network 192.168.25.48 B(config-router)# network 192.168.25.64 A(config)# router rip A(config-router)# no network 192.168.25.32 **B(config)# router rip **B(config-router)# passive-interface S0/0 A(config)# no router rip ------------------------------------------------------ Which of the following describe Telnet on a router? (Choose two.) **Simultaneous incoming Telnet sessions can be hosted by a router. Telnet is the most basic testing mechanism available. A Telnet session can only be initiated in privileged EXEC mode. **Five separate Telnet lines are specified by the configuration line vty 0 4. Telnet is classified as a network layer protocol. --------------------------------------------------- Which commands will show the status and IP address of all interfaces on a router? (Choose two.) **show protocols show ip protocols show version **show interfaces show ip ports ---------------------------------------------------- Which router command will generate the router output shown in the graphic? show arp show protocols show interface FastEthernet0/0 show interfaces **show hardware ---------------------------------------------------- Which of the following are valid boot system commands? (Choose two.) Router(config)# boot system ram **Router(config)# boot system rom Router(config)# boot system IOS flash Router(config)# boot system flash c2600-d-mz.121-3 192.168.10.5 **Router(config)# boot system tftp c1700-l-mz.131-2 172.16.24.7 ---------------------------------------------------- During initial router bootup the following line appears: "NVRAM invalid, possibly due to write erase." What are two possible reasons for this result? (Choose two.) The startup-config file was not saved to RAM before reboot. The IOS has been erased. **The router has not been configured. **The startup-config file cannot be located. The router will not enter initial configuration dialog. --------------------------------------------------- While planning an IOS upgrade, the administrator issues the show version command. Based on the output in the graphic, what is the current IOS boot location? RAM **NVRAM Flash ROM --------------------------------------------------- Which statements are true regarding setup mode? (Choose three.) Press Ctrl-z to terminate setup mode. **Enter a question mark (?) for help at any point. Press Spacebar to accept the default settings. Use setup mode to enter complex protocol features. **Press Enter to accept the default settings. **Press Ctrl-c to abort configuration dialog. --------------------------------------------------- Which router components and operations are correctly described? (Choose two.) ROM - stores the backup configuration file RAM - loads the operating system **NVRAM - stores the configuration file Flash - executes diagnostics at bootup **POST - runs diagnostics on hardware modules DRAM - loads the bootstrap --------------------------------------------------- access-list 199 deny tcp 178.15.0.0 0.0.255.255 any eq 23 access-list 199 permit ip any any Assuming this ACL is correctly applied to a router interface, which statements describe traffic on the network? (Choose two.) **All FTP traffic from network 178.15.0.0 will be permitted. All Telnet traffic destined for network 178.15.0.0 will be denied. Telnet and FTP will be permitted from all hosts on network 178.15.0.0 to any destination. **Telnet will not be permitted from any hosts on network 178.15.0.0 to any destination. Telnet will not be permitted to any host on network 178.15.0.0 from any destination. ------------------------------------------------------- Refer to the graphic. Communication is needed between the LAN connected to the fa0/0 interface of the Kansas router and the fa0/0 interface of the Maine router. All hosts on those LANs also need connectivity to the Internet. Which commands will allow this communication? (Choose three). **Kansas(config)# ip route 192.168.6.0 255.255.255.0 172.18.64.2 Kansas(config)# ip route 192.168.6.0 255.255.255.0 s0/1 **Kansas(config)# ip route 0.0.0.0 0.0.0.0 s0/1 Maine(config)# ip route 192.168.6.0 255.255.255.0 172.18.64.1 **Maine(config)# ip route 0.0.0.0 0.0.0.0 s0/1 Maine(config)# ip route 172.16.32.0 255.255.255.0 172.18.64.2 -------------------------------------------------------- Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.) Router(config)# line vty 0 3 Router(config-line)# password c13c0 Router(config-line)# login The entries specify three Telnet lines for remote access. **The entries specify four Telnet lines for remote access. The entries set the console and Telnet password to "c13c0". Telnet access will be denied because the Telnet configuration is incomplete. **Access will be permitted for Telnet using "c13c0" as the password. -------------------------------------------------------- What are some reasons to change the configuration register setting? (Choose two.) **to force the system to ignore the configuration file stored in NVRAM to monitor password changes to change the POST sequence to force the router to boot the IOS from NVRAM **to force the system into ROM monitor mode -------------------------------------------------------- A network administrator issues the erase startup-config command on a configured router with the configuration register set to 0x2102 and observes the following output: Erasing the nvram filesystem will remove all files! Continue? [Confirm] [OK] Erase of nvram: complete If the router unexpectedly loses power after this sequence, what will occur when power is restored? The router will enter ROM monitor mode upon completion of the power-on self test (POST). The router will load the last known valid configuration file. The router will enter Rx-boot mode. **The router will prompt the user to enter setup mode or to continue without entering setup mode. -------------------------------------------------------- Which of the following are true regarding the use of login banners? (Choose two.) The message is only displayed in privileged EXEC mode. **The message can be seen by everyone who accesses the router. Good morning is an appropriate message to display. **The banners should display warning messages. The banners should identify circuits and other devices connected to the router. -------------------------------------------------------- Which router component stores the information that is displayed by the show ip route command? CPU Flash NVRAM **RAM ---------------------------------------------------------- What information can be learned during the initial router bootup? (Choose two.) the configuration register value **the number and types of interfaces installed **the router model and the amount of memory that is available the amount of memory required to load the IOS and configuration the number of interfaces with connected cables -------------------------------------------------------- Which of the following describes CDP? (Choose three.) **provides information on directly connected Cisco routers that have CDP enabled **can only be configured between Cisco devices used for debugging Layer 4 connectivity issues **should be disabled on non-locally managed ports presents a potential security risk ------------------------------------------------------- What can a network administrator do to recover from a lost router password? perform a reload or reset telnet from another router and issue the show running-config command to view the password **boot the router to ROM monitor mode and configure the router to ignore NVRAM when it initializes boot the router to bootROM mode and enter the b command to load the IOS manually ------------------------------------------------------- A network administrator wishes to load a configuration file from a TFTP server into NVRAM on a router. Which of the following methods will create a startup-config file in NVRAM that matches the contents of the configuration file on the TFTP server? **Copy the configuration file from a TFTP server using the command copy tftp startup-config. Copy the configuration file from a TFTP server using the command copy