單項(xiàng)選擇題An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?()

A. The PC has connectivity with a local host.
B. The PC has connectivity with a Layer 3 device.
C. The PC has a default gateway correctly configured
D. The PC has connectivity up to Layer 5 of the OSI model
E. The PC has the TCP/IP protocol stack correctly installed.


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1.單項(xiàng)選擇題How does using the service password encryption command on a router provide additional security? ()

A. by encrypting all passwords passing through the router
B. by encrypting passwords in the plain text configuration file
C. by requiring entry of encrypted passwords for access to the device
D. by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E. by automatically suggesting encrypted passwords for use in configuring the router

2.單項(xiàng)選擇題What is the maximum data rate specified for IEEE 802.11b WLANs?()

A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps

4.單項(xiàng)選擇題Running both IPv4 and IPv6 on a router simultaneously is known as what?()

A. 4to6 routing
B. 6to4 routing
C. binary routing
D. dual-stack routing
E. NextGen routing

5.單項(xiàng)選擇題What is an appropriate use of a default route?()

A. to provide routing to a local web server
B. to provide routing from an ISP to a stub network
C. to provide routing that will override the configured dynamic routing protocol
D. to provide routing to a destination that is not specified in the routing table and which is outside the local network

最新試題

At which layer of the OSI model dose PPP perform?()

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After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?()

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

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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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You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?()

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

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

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

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Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?()

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