A. show interfaces serial 0/0
B. show running-config
C. show version
D. show controllers serial 0/0
E. show ip interface
F. show line serial 0/0
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TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN.
Which of the following commands could fix this problem?（）
A. Border# copy running-config startup-config
B. Border(config)# no shutdown
C. Border(config-if)# encapsulation ppp
D. Border(config-if)# no cdp enable
E. Border(config-if)# ip routing
You have just installed a new web server on the Testking network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:TestKing(config)# ip nat inside source static 192.168.2.1 198.18.1.254 You unsuccessfully try to ping the Internet from a PC host on the LAN. During the troubleshooting process, you enter the "show ip nat translations" command but the output is blank.
What is the most likely cause of the problem?（）
A. The keyword overload is missing from the command.
B. The NAT pool must be defined first.
C. An access list must be defined to create static NAT translations.
D. The interfaces must be configured for NAT.
E. None of the above
A. The IP addresses are configured incorrectly.
B. Frame Relay LMI messages not displayed in real time.
C. The administrator must issue the enable frame-relay lmi debug command.
D. The administrator must issue the terminal monitor command.
E. Debug messages can only be received once through the console port.
F. The administrator must issue the show frame-relay lmi vty 0 4 command
You are troubleshooting a WAN connection for TestKing, and on the router you execute the, "debug ppp authentication" command, and view the following output:
What kind of handshake was used for the PPP authentication?（）
A. one-way
B. two-way
C. three-way
D. No handshakes required during authentication
E. None of the above
A. Mismatched LMI types.
B. Incompatible encapsulation types.
C. Mismatching IP addresses.
D. Incorrect DLCI.
E. None of the above
最新試題
What does a configuration Register Setting of 0x2105 indicate to the Router? （）
What feature of a networks switch allows an administrative to create separate broadcast domains?（）
Which of the following contribute to congestion on an Ethernet network?（）
Which statement describes the rule of split horizon?（）
Which command is used to display the placement and direction of an IP access control list on a router?（）
What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）
The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?（）
TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）
What is a global command?（）
A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）