單項選擇題

How many broadcast domains are shown in the graphic assuming only the default vlan is configured on the switches?()

A. one
B. six
C. twelve
D. two


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1.單項選擇題What is the effect of using the service password-encryption command?()

A. Only passwords configured after the command has been entered will be encrypted.
B. Only the enable password will be encrypted.
C. Only the enable secret password will be encrypted
D. It will encrypt the secret password and remove the enable secret password from the configuration.
E. It will encrypt all current and future passwords.

2.單項選擇題A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?()

A. Add two more FastEthernet interfaces.
B. Add a second router to handle the vlan traffic.
C. Use a hub to connect the four vlans with a FastEthernet interface on router.
D. Implement a router-on-a-stick configuration.

3.單項選擇題Which statement is true, as relates to classful or classless routing?()

A. RIPV1 and OSPF are classless routing protocols.
B. Classful routing protocols send the subnet mask in routing updates.
C. Automatic summarization at classful boundaries can cause problems on disc……
D. EIGRP and OSPF are classful routing protocols and summarize routes by def……

4.單項選擇題In which solution is a router ACL used?()

A. protecting a server frome unauthorized acces
B. controlling path selection,based on the route metric
C. reducing router CPU utilization
D. filterring packets that are passing through a router

5.單項選擇題Which command can be used from a PC to verfy the connectivity between host that connect through path?()

A. tracert address
B. ping address
C. arp address
D. traceroute address

6.單項選擇題What is the function of the command switchport trunk native vlan 999 on a switch?()

A. It designates VLAN 999 for untagged traffic.
B. It blocks VLAN 999 traffic from passing on the trunk.
C. It creates a VLAN 999 interface.
D. It designates VLAN 999 as the default for all unkown tagged traffic.

8.單項選擇題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

9.單項選擇題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.

10.單項選擇題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

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?()

題型:單項選擇題

How are VTP advertisements delivered to switches across the network?()

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On which options are standard access list based?()

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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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Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?()

題型:單項選擇題

Which IPsec security protocol should be used when confidentiality is required?()

題型:單項選擇題

Which statement is true, as relates to classful or classless routing?()

題型:單項選擇題

A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?()

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While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?()

題型:單項選擇題

Which command encrypts all plaintext passwords?()

題型:單項選擇題