What kind of message does a PING send ...

单项选择题What kind of message does a PING send out to test connectivity?（）

A. ICMP echo request
B. Information interrupt request
C. Timestamp reply
D. Source quench
E. None of the above

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1.单项选择题 The Testking router is running RIP as the routing protocol, and the IP routing table is displayed below:
Gateway of last resort is 10.1.2.2 to network 0.0.0.0
10.0.0.0/24 is subnetted, 2 subnets
R 10.1.3.0 [120/1] via 10.1.2.2, 00:00:00, Serial0/0
C 10.1.2.0 is directly connected, Serial0/0
C 10.1.5.0 is directly connected, Serial0/1
C 10.1.6.0 is directly connected, FastEthernet0/0
R* 0.0.0.0/0 [120/1] via 10.1.5.5, 00:00:00, Serial0/1
Based on the output above, if an administrator pings host 10.1.8.5 from host
10.1.6.100, how will the router TestkingA process the ICMP packets?（）

A. The packets will be discarded.
B. The packets will be routed out the S0/0 interface.
C. The packets will be routed out the S0/1 interface.
D. The packets will be routed out the Fa0/0 interface.
E. The packets will be routed through the 10.1.2.2 gateway.

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2.单项选择题You work as a network engineer at TestKing.com. TestKing users have noticed extremely slow network performance, intermittent connectivity, and connection loss. After entering the show interfaces command, you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that there is evidence of late collisions. What could be the cause of this problem?（）

A. duplex mismatch
B. a routing loop
C. trunking mode mismatch
D. improperly configured root bridge
E. improperly configured static VLAN

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3.多项选择题 While troubleshooting connectivity issues, you log into a remote router. From there,you wish to see the layer 1 and layer 2 status of the interface.
Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface?（）

A. TK1# show version
B. TK1# show protocols
C. TK1# show interfaces
D. TK1# show controllers
E. TK1# show ip interface
F. TK1# show startup-config

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4.单项选择题 While troubleshooting a connectivity issue from a PC you obtain the following information:
Local PC IP address: 190.0.3.35/24
Default Gateway: 190.0.3.1
Remote Server: 190.0.5.250/24
You then conduct the following tests from the local PC:
Ping 127.0.0.1 - Unsuccessful
Ping 190.0.3.35 - Successful
Ping 190.0.3.1 - Unsuccessful
Ping 190.0.5.250 - Unsuccessful
What is the underlying cause of this problem?（）

A. TCP/IP not correctly installed
B. Local physical layer problem
C. NIC not functioning
D. Remote physical layer problem

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5.多项选择题 Part of the configuration files for routers testking1 and testking2 are displayed below:
If you were to enter the "show interface serial 0" command on router testking1,which of the following will be displayed?（）

A. Serial 0 is down, line protocol is down
B. Serial 0 is up, line protocol is up
C. Open: IPCP, CDPCP
D. LCP closed
E. LCP open

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6.单项选择题 You're working at TestKing as a network administrator when your MCSE assistant calls you for help. He has attempted to configure Router TK1 and incorrectly configured the router interface with a subnet broadcast address. You have to correct this by first removing the incorrect IP address and then re-entering the first usable IP address of the same subnet.
How will you do this?（）

A.
B.
C.
D.
E.

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7.单项选择题While logged into a router, you wish to see the RIP routing updates in real time as they are sent and received. Which command would you issue to see these updates?（）

A. Show ip protocols
B. Show ip route rip
C. Debug ip rip
D. Debug ip updates
E. Debug ip transactions

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8.单项选择题Which command displays EIGRP-related router activities as they occur?（）

A. TestKing# show ip route *
B. TestKing# debug eigrp route
C. TestKing# debug ip eigrp
D. TestKing# debug ip protocols eigrp
E. TestKing# show ip route eigrp

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9.单项选择题 The following was issues on router TestKingA:
TestKingA #show ip ospf neighbor
Neigbor ID PRI State Dead Time Address Interface
192.168.1.2 1 Full/- 00:00:37 192.168.1.2 Serial1
Which type of OSPF network will provide the output shown in the graphic?（）

A. FDDI
B. nonbroadcast multiaccess
C. broadcast multi-access
D. point-to-point

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10.单项选择题TestKing.com has a large corporate network that uses multiple routing protocols.Hosts in a portion of the network that uses EIGRP have become unreachable.Which router command will allow you, the network technician, to view the status of these routes?（）

A. TestKing# show eigrp entries
B. TestKing# show protocols
C. TestKing# debug eigrp routes
D. TestKing# show ip route eigrp
E. TestKing# show route eigrp

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