多項(xiàng)選擇題Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information?()

A. the amount of available ROM
B. the amount of available flash and RAM memory
C. the version of the bootstrap software present on the router
D. show version
E. show processes
F. show running-config


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1.多項(xiàng)選擇題What can be done to secure the virtual terminal interfaces on a router?()

A. Administratively shut down the interface.
B. Physically secure the interface.
C. Create an access list and apply it to the virtual terminal interfaces with the access-group command.
D. Configure a virtual terminal password and login process.
E. Enter an access list and apply it to the virtual terminal interfaces using the access-class command.

2.多項(xiàng)選擇題Which of the following IP addresses can be assigned to the host devices?()

A.205.7.8.32/27
B.191.168.10.2/23
C.127.0.0.1
D.224.0.0.10
E.203.123.45.47/28
F.10.10.0.0/13

3.多項(xiàng)選擇題Identify the four valid IPv6 addresses.()

A.::
B.::192:168:0:1
C.2000::
D.2001:3452:4952:2837::
E.2002:c0a8:101::42
F.2003:dead:beef:4dad:23:46:bb:101

4.多項(xiàng)選擇題What are three IPv6 transition mechanisms?()

A. 6to4 tunneling
B. VPN tunneling
C. GRE tunneling
D. ISATAP tunneling
E. PPP tunneling
F. Teredo tunneling

5.多項(xiàng)選擇題Which two statements are true regarding EIGRP?()

A. Passiveroutes are in the process of being calculated by DUAL.
B. EIGRP supports VLSM, route summarization, and routing update authentication.
C. EIGRP exchanges full routing table information with neighboring routers with every update.
D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

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Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

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

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

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