單項(xiàng)選擇題When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to?()

A. RARP request
B. Show Network Address request
C. Proxy ARP request
D. ARP request
E. Show Hardware Address request


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1.單項(xiàng)選擇題Which network protocol does DNS use?()

A. FTP
B. TFTP
C. TCP
D. UDP
E. SCP

2.單項(xiàng)選擇題Which statement describes the process of dynamically assigning IP addresses by the DHCP server?()

A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B. Addresses are permanently assigned so that the hosts uses the same address at all times.
C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.
D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

3.單項(xiàng)選擇題On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?()

A. a router with subinterfaces configured on the physical interface that is connected to the switch
B. a router with an IP address on the physical interface connected to the switch
C. a switch with an access link that is configured between the switches
D. a switch with a trunk link that is configured between the switches

4.單項(xiàng)選擇題A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?()

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.

5.單項(xiàng)選擇題Which switch would STP choose to become the root bridge in the selection process?()

A. 32768: 11-22-33-44-55-66
B. 32768: 22-33-44-55-66-77
C. 32769: 11-22-33-44-55-65
D. 32769: 22-33-44-55-66-78

7.單項(xiàng)選擇題Where does routing occur within the DoD TCP/IP reference model?()

A. application
B. internet
C. network
D. transport

8.單項(xiàng)選擇題How many addresses for hosts will the network 124.12.4.0/22 provide?()

A. 510
B. 1022
C. 1024
D. 2048

9.單項(xiàng)選擇題For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?()

A. 192.0.2.0
B. 192.0.2.255
C. 192.0.3.255
D. 192.0.4.0

最新試題

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

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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 statement describes the rule of split horizon?()

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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?()

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Which command is used to display the collection of OSPF link states?()

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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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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?()

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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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Which command displays the CHAP authentication process as it occurs between two routers?()

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