多項(xiàng)選擇題Which can be done to secure the virtual terminal interfaces on a router?()

A.Administratively shut down the interfaces.
B.Physically secure the interfaces.
C.Configure a virtual terminal password and login process.
D.Enter an access list and applyit to the terminal interfaces using theaccess-class command.
E.Create an access list and applyit to the terminal interfaces using theaccess-group command.


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1.單項(xiàng)選擇題Assuming the default switch configuration,which approach should you use to configure the extended vlanrange(1006 through 4094) on a cisco catalyst 3750 series switch?()

A.Configure the switch to be in VTP client mode.
B.Configure the switch to be in VTP domaint mode.
C.Configure the switch to be in VTP transparent mode.
D.Configure the switch to be in VTPv2

2.多項(xiàng)選擇題Which two commands can be used to verify a trunk link configurationt status on a given cisco switch?()

A.show interfaces interface
B.show interfaces interface trunk
C.show interfaces interface switchport
D.show ip interface brief
E.show interfaces vlan

3.單項(xiàng)選擇題The network administrator is in a campus building distant from Building B. WANRouter is hosting a newly installed WAN link on interface S0/0. The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface. How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner()。

A.Telnet to WANRouter and execute the command show interfaces S0/0
B.Telnet to WANRouter and execute the command show processes S0/0
C.Telnet to WANRouter and execute the command show running-configuration
D.Telnet to WANRouter and execute the command show controller S0/0
E.Physically examine the cable between WANRouter S0/0 and the DCE
F.Establish a console session on WANRouter and execute the command show interfaces S0/0

4.多項(xiàng)選擇題

Refer to the topology shown in the exhibit. Which ports will be STP designated ports if all the links are operating at the same bandwidth? ()

A.Switch A - Fa0/0
B.Switch A - Fa0/1
C.Switch B - Fa0/0
D.Switch B - Fa0/1
E.Switch C - Fa0/0
F.Switch C - Fa0/1

5.多項(xiàng)選擇題What are three valid reasons to assign ports to VLANs on a switch? ()

A.to make VTP easier to implement
B.to isolate broadcast traffic
C.to increase the size of the collision domain
D.to allow more devices to connect to the network
E.to logically group hosts according to function
F.to increase network security

7.單項(xiàng)選擇題How many collision domains are shown()。

A.one
B.two
C.three
D.four
E.six
F.fourteen

8.單項(xiàng)選擇題

The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?()

A.The Gallant router has the wrong LM Itype configured
B.Inverse ARP is providing the wrong PVC information to the Gallant router
C.The S3 interface ofthe Steele router has been configured with the frame-relay encapsulation ietf command
D.The frame-relay map statement in the Attalla router for the PVC to Steele is not correct
E.The IP address on the serial interface of the Attalla router is configured incorrectly

9.多項(xiàng)選擇題Which are valid modes for a switch port used as a VLAN trunk (Choose three.)()。

A.transparent
B.auto
C.on
D.desirable
E.blocking
F.forwarding

10.單項(xiàng)選擇題Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet()。

A.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C.Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.

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