單項(xiàng)選擇題Which IPsec security protocol should be used when confidentiality is required?（）

A. AH
B. MD5
C. PSK
D. ESP


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1.單項(xiàng)選擇題Which command can you use to manually assign a static IPV6 address to a router interface?（）

A. ipv6 address PREFIX_1::1/64
B. ipv6 autoconfig 2001:db8:2222:7272::72/64
C. ipv6 autoconfig
D. ipv6 address 2001:db8:2222:7272::72/64

2.單項(xiàng)選擇題Why will a switch never learn a broadcast address?（）

A. Broadcast frames are never sent to swiches.
B. Broadcast addresses use an incorrect format for the switching table.
C. A broadcast address will never be the source address of a frame.
D. Broadcasts only use network layer addressing.
E. A broadcast frame is never forwarded by a switch.

3.單項(xiàng)選擇題Which parameter can be tuned to affect the selection of a static route as a backup.when a dynamic protocol is also being used?（）

A. link bandwidth
B. hop count
C. link cost
D. administrative distance
E. link delay

4.單項(xiàng)選擇題VLAN 3 is not yet configured on your switch.What happens if you set the switchport access vlan 3 commmand interface configuration mode?（）

A. The command is accepted and the respective VLAN is added to vlan dat.
B. The command is rejected.
C. The command is accepted and you must configure the VLAN manually.
D. The port turns amber.

5.單項(xiàng)選擇題The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）

A. 10.10.0.0/18 subnetted with mask 255.255.255.252
B. 10.10.0.0/25 subnetted with mask 255.255.255.252
C. 10.10.0.0/24 subnetted with mask 255.255.255.252
D. 10.10.0.0/23 subnetted with mask 255.255.255.252
E. 10.10.0.0/16 subnetted with mask 255.255.255.252

最新試題

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

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On which options are standard access list based?（）

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Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）

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Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

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Which statement describes the rule of split horizon?（）

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When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）

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An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

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A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）

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Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

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