單項(xiàng)選擇題What is the principle reason to use a private IP address on an internal network?()

A. Subnet strategy for private companies.
B. Manage and scale the growth of the internal network.
C. Conserve public IP addresses so that we do not run out of them.
D. Allow access reserved to the devices.


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3.單項(xiàng)選擇題Which option is a valid IPv6 address?()

A. 2001:0000:130F::099a::12a
B. 2002:7654:A1AD:61:81AF:CCC1
C. FEC0:ABCD:WXYZ:0067::2A4
D. 2004:1:25A4:886F::1

4.單項(xiàng)選擇題What is known as "one-to-nearest" addressing in IPv6?()

A. global unicast
B. anycast
C. multicast
D. unspecified address

5.單項(xiàng)選擇題Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?()

A. crossover
B. straight-through
C. rolled
D. shielded twisted-pair

6.單項(xiàng)選擇題Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?()

A. BackboneFast
B. UplinkFast
C. Root Guard
D. BPDU Guard
E. BPDU Filter

7.單項(xiàng)選擇題How many bits are contained in each field of an IPv6 address?()

A. 24
B. 4
C. 8
D. 16

8.單項(xiàng)選擇題For which type of connection should a straight-through cable be used?()

A. switch to switch
B. switch to hub
C. switch to router
D. hub to hub
E. router to PC

9.單項(xiàng)選擇題A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?()

A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.

10.單項(xiàng)選擇題A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?()

A. Drop the data.
B. Send the data frames to the default gateway.
C. Create an ARP request to get a MAC address for the receiving host.
D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.

最新試題

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

題型:單項(xiàng)選擇題

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?()

題型:單項(xiàng)選擇題

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?()

題型:單項(xiàng)選擇題

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?()Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

題型:單項(xiàng)選擇題

Which statement describes the rule of split horizon?()

題型:單項(xiàng)選擇題

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

題型:單項(xiàng)選擇題

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?()

題型:單項(xiàng)選擇題

What is the default administrative distance of OSPF?()

題型:單項(xiàng)選擇題

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?()

題型:單項(xiàng)選擇題

If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?()

題型:單項(xiàng)選擇題