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