多項(xiàng)選擇題Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)()

A.HDLC
B.Ethernet
C.Token Ring
D.PPP
E.FDDI
F.Frame Relay


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1.單項(xiàng)選擇題A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network?()

A.a directly connected interface with an address of 192.168.10.254/24
B.a static route to network 192.168.10.0/24
C.a RIP update for network 192.168.10.0/24
D.an OSPF update for network 192.168.0.0/16
E.a default route with a next hop address of 192.168.10.1
F.a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop

2.多項(xiàng)選擇題Which of the following describes the roles of devices in a WAN? (Choose three.)()

A.A CSU/DSU terminates a digital local loop.
B.A modem terminates a digital local loop.
C.A CSU/DSU terminates an analog local loop.
D.A modem terminates an analog local loop.
E.A router is commonly considered a DTE device.
F.A router is commonly considered a DCE device.

3.多項(xiàng)選擇題Which of the following statements are true regarding bridges and switches? (Choose 3.)()

A.Switches are primarily software based while bridges are hardware based.
B.Both bridges and switches forward Layer 2 broadcasts.
C.Bridges are frequently faster than switches.
D.Switches have a higher number of ports than most bridges.
E.Bridges define broadcast domains while switches define collision domains.
F.Both bridges and switches make forwarding decisions based on Layer 2 addresses.

4.多項(xiàng)選擇題Which of the following describe private IP addresses? (Choose two.)()

A.addresses chosen by a company to communicate with the Internet
B.addresses that cannot be routed through the public Internet
C.addresses that can be routed through the public Internet
D.a scheme to conserve public addresses
E.addresses licensed to enterprises or ISPs by an Internet registry organization

5.單項(xiàng)選擇題In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?()

A.during high traffic periods
B.after broken links are re-established
C.when upper-layer protocols require high reliability
D.in an improperly implemented redundant topology
E.when a dual ring topology is in use

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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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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 Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

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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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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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Which statement describes the rule of split horizon?()

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A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

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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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