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

A. FF02::A
B. FF05::101
C. FF02::9
D. FF02::6


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1.單項(xiàng)選擇題Which statement is true, as relates to classful or classless routing?()

A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
B. EIGRP and OSPF are classful routing protocols and summarize routes by default
C. RIPv1 and OSPF are classless routing protocols
D. Classful routing protocols send the subnet mask in routing updates

2.單項(xiàng)選擇題Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

A. Cisco IOS IPsec/SSL VPN client
B. Cisco VPN Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance

3.單項(xiàng)選擇題At which layer of the OSI model is RSTP used to prevent loops?()

A. data link
B. network
C. physical
D. transport

5.單項(xiàng)選擇題which command allows you to verify the encapsulation type CISCO OR IETF for a frame relay link?()

A. show frame-relay map
B. show frame-relay lmi
C. show inter serial
D. show frame-relay pvc

6.單項(xiàng)選擇題What is the alternative notation for the IPV6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?()

A. B514:82C3:0029::EC7A:0000:EC72
B. B514:82C3:0029:EC7A:EC72
C. B514:82C3::0029:EC7A:0:EC72
D. B514:82C3::0029:EC7A:EC72

7.單項(xiàng)選擇題DNS servers provide what service?()

A. They run a spell check on host names to ensure accurate routing
B. They convert domain names into IP address
C. Given an IP address,they determine the name of the host that is sought
D. They map individual hosts to their specific IP addresses

9.單項(xiàng)選擇題Which spread spectrum technology does the 802.11b standard define for operation?()

A. IR
B. DSSS
C. FHSS
D. DSSS and FHSS
E. IR, FHSS, and DSSS

10.單項(xiàng)選擇題A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?()

A. It checks the configuration register
B. It attempts to boot from a TFTP server
C. It loads the first image file in flash memory
D. It inspects the configuration file in NVRAM for boot instructions

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Which IPsec security protocol should be used when confidentiality is required?()

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A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?()

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A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?()

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

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What is the purpose of the cisco Vlan Trunking protocol?()

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

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

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What is the default administrative distance of OSPF?()

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