單項(xiàng)選擇題What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?()

A. ping
B. tracert
C. netstat
D. show cdp neighbors detail
E. show ip route
F. traceroute


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1.單項(xiàng)選擇題A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?()

A. The switch port link lights will be off on both switches indicating the ports are not connected.
B. The switch port link light will be off on one switch indicating that STP has disabled the port.
C. The switch port link lights will flash amber indicating an error.
D. The switch port link lights will be green indicating normal operation.

2.多項(xiàng)選擇題Which of the following IOS commands could you use to troubleshoot a router connectivity problem on an IP network?()

A. show ip route
B. ipconfig
C. tracert
D. show interfaces
E. traceroute
F. ping
G. All of the above

5.多項(xiàng)選擇題

There are 2 switches in the Testking LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link.
Which of the conditions below would verify trunk and VLAN operation?()

A. Host 1 on VLAN 1 can ping Host 2 on VLAN 1
B. Host 1 on VLAN 1 can ping Host 4 on VLAN 2
C. Host 1 on VLAN 1 can not ping Host 2 on VLAN 1
D. Host 4 on VLAN 2 can not ping Host 1 on VLAN 1
E. Host 4 on VLAN 2 can ping Host 2 on VLAN 2

7.單項(xiàng)選擇題Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?()

A.Application
B.Presentation
C.Session
D.Transport
E.Network
F.Data-Link

8.單項(xiàng)選擇題You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?()

A. Application
B. Presentation
C. Session
D. Transport
E. Internet
F. Data Link
G. Physical

10.單項(xiàng)選擇題You are logged into a router and with to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?()

A. show ip links
B. show cdp neighbor
C. show cdp neighbor detail
D. show ip clients
E. show ip route
F. None of the above