多項選擇題It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit.Which of the following processes are required to accomplish this task?()

A. configure static frame relay map entries for each subinterface network.
B. remove the ip address from the physical interface
C. create the virtual interfaces with the interface command
D. configure each subinterface with its own IP address
E. disable split horizon to prevent routing loops between the subinterface networks
F. encapsulate the physical interface with multipoint PPP


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1.多項選擇題Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial number?()

A.show inventory
B.show flash:filesys
C.dirflash:include chassis
D.show diag
E.show controllers

2.多項選擇題Which two statements are characteristics of a distance vector routing protocol?()

A. RIP is an example of distance vector routing protocols.
B. Updates are periodic and include the entire routing table.
C. Routing updates are sent only after topology changes
D. The protocol can be useful in hub-and-spoke and hierarchical networks.
E. Convergence is usually faster than with link state protocols
F. Each router has its own view of the topology

3.多項選擇題The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid IP addresses can the technician use for the hosts?()

A.172.22.243.127
B.172.22.243.191
C.172.22.243.190
D.10.16.33.98
E.10.17.64.34
F.192.168.1.160

4.多項選擇題A network administrator needs to configure port security on a switch.which two statements are true?()

A. The network administrator can apply port security to dynamic access ports
B. The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C. The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
D. The network administrator can apply port security to EtherChannels.
E. When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.

5.多項選擇題Which two statements apply to dynamic access lists?()

A. they offer simpler management in large internetworks.
B. you can control logging messages.
C. they allow packets to be filtered based on upper-layer session information.
D. you can set a time-based security policy.
E. they provide a level of security against spoofing.
F. they are used to authenticate individual users.

6.多項選擇題Which two of these are characteristics of the 802.1Q protocol?()

A. it is a layer 2 messaging protocol which maintains vlan configurations across network.
B. it includes an 8-bit field which specifies the priority of a frame.
C. it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D. it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E. it is a trunking protocol capable of carring untagged frames.

7.多項選擇題Which two data link layers are supported by cisco ios software for IPv6?()

A.PPP
B.FDDI
C.Frame Relay PVC
D.NBMA
E.Frame Relay SVC

8.多項選擇題Which three statements accurately describe layer 2 Ethernet switches?()

A. Microsegmentation decreases the number of collisions on the network.
B. if a switch receives a frame for an unkown destination,it uses ARP to resolve the address.
C. Spanning Tree Protocol allows switches to automatically share vlan information.
D. In a properly functioning network with redundant switched paths,each switched aegment will contain one root bridge with all its ports in the forwarding state.All other switches in that broadcast domain will have only one root port.
E. Establishing vlans increases the number of broadcast domains.
F. Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3 address information.

9.多項選擇題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

10.多項選擇題Which commands are required to properly configure a router to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?()

A. Router(config)#router ospf 1
B. Router(config)#router ospf 0
C. Router(config)#router ospf area 0
D. Router(config-router)#network 192.168.16.0 0.0.0.255 area 0
E. Router(config-router)#network 192.168.16.0 0.0.0.255 0
F. Router(config-router)#network 192.168.16.0 255.255.255.0 area 0

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Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()

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At which layer of the OSI model is RSTP used to prevent loops?()

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

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The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?()

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

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Which statement describes the rule of split horizon?()

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Which pairing reflects a correct protocol-and-metric relationship?()

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