單項(xiàng)選擇題What is the purpose of Spanning Tree Protocol?()

A. to prevent routing loops
B. to create a default route
C. to provide multiple gateways for hosts
D. to maintain a loop-free Layer 2 network topology
E. to enhance the functions of SNMP


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1.單項(xiàng)選擇題What is the function of the CSMA/CD algorithm in Ethernet technologies?()

A. defines how the media is accessed
B. supplies a token to determine which host has access to the media
C. defines the encoding of electrical signals on the wire
D. determines the preamble bits

2.單項(xiàng)選擇題What value is primarily used to determine which port becomes the root port on each non root switch in a spanning-tree topology?()

A. path cost
B. lowest port MAC address
C. VTP revision number
D. highest port priority number
E. port priority number and MAC address

3.單項(xiàng)選擇題What is the purpose of the OSPF router ID in a OR/BOR election?()

A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
B. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
C. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
D. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers

4.單項(xiàng)選擇題A network administrator needs to verify that switch interface 0/5 has been assigned to the Sales VLA.N. Which command will accomplish this task?()

A. Show vlan
B. Show mac-address-table
C. Show vtp status
D. show spanning-tree root
E. show ip interface brief

5.單項(xiàng)選擇題How can an administrator determine if a router has been configured when it is first powered up?()

A. A configured router prompts for a password
B. A configured router goes to the privileged mode prompt
C. An un configured router goes into the setup dialog
D. An un configured router goes to the enable mode prompt


最新試題

What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

題型:單項(xiàng)選擇題

Which command is used to display the placement and direction of an IP access control list on a router?()

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An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

題型:多項(xiàng)選擇題

Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

題型:單項(xiàng)選擇題

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?()

題型:多項(xiàng)選擇題

The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

題型:單項(xiàng)選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

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A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? ()

題型:單項(xiàng)選擇題

What does a configuration Register Setting of 0x2105 indicate to the Router? ()

題型:單項(xiàng)選擇題

What is the subnetwork address for a host with IP address 201.100.5.68/28?()

題型:單項(xiàng)選擇題