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多項(xiàng)選擇題Which of the following describe the process identifier that is used to run OSPF on a router? （）

A.It is locally significant.
B.It is globally significant.
C.It is needed to identify a unique instance of an OSPF database.
D.It is an optional parameter required only if multiple OSPF processes are running on the router.
E.All routers in the same OSPF area must have the same process ID if they are to exchange routing information.

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1.多項(xiàng)選擇題To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met? （）

A.Each end of the trunk line must be set to IEEE 802.1E encapsulation.
B.The VTP management domain name of both switches must be set the same.
C.All ports on both the switches must be set as access ports.
D.One of the two switches must be configured as a VTP server.
E.A rollover cable is required to connect the two switches together.
F.A router must be used to forward VTP traffic between VLANs.

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2.單項(xiàng)選擇題 Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）

A.The Serial 0/0 interface is passing traffic.
B.The DLCI 100 was dynamically allocated by the router.
C.The Serial 0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server.
D.The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud.
E.The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP.

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3.單項(xiàng)選擇題If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet（）。

A.1024
B.2046
C.4094
D.4096
E.8190

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4.多項(xiàng)選擇題Which two are features of IPv6?（）

A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast

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5.多項(xiàng)選擇題Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? （）

A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.
B.Router C will use ICMP to inform Router B that Host 2 cannot be reached.
C.Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
D.Router C will send a Destination Unreachable message type.
E.Router C will send a Router Selection message type.
F.Router C will send a Source Quench message type.

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