單項選擇題Which device enables a router serial interface to connect to the ISDN BRI?()

A.NT2
B.NT1
C.TE
D.TA
E.TE1


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1.多項選擇題What functions do routers perform in a network?()

A. Packet Switching
B. Access Layer Security
C. Path Selection.
D. VLAN Membership Assignment.
E. Bridging between LAN segments.
F. Micro-segmentation of Broadcast Domains.

2.單項選擇題If NVRAM lacks boot system commands, where does the router look for the Cisco IOS by default?()

A.ROM
B.RAM
C.Flash
D.Bootstrap
E.Startup-.config

3.多項選擇題When selecting a Network Interface Card (NIC), which of the following factors need to be considered?()

A. The type of application used on the network
B. The type of system bus used by the computers
C. The type of memory installed in each computer
D. The type of media used in the network topology
E. The type of protocols used in the network
F. The physical layout of the network hosts

4.多項選擇題On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?()

A. Source Quench.
B. Learning.
C. Buffering.
D. Windowing.
E. Cut-Through.

5.多項選擇題After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?()

A. It is a globally unique IP address.
B. It is a globally unique 48 bit address
C. It is provided by the manufacturer of the NIC.
D. It is used as part of the IPX/SPX configuration.
E. It is a logical address.

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Which of the following correctly describe steps in the OSI data encapsulation process?()

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What is a global command?()

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Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

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The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

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An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

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What is the subnetwork address for a host with IP address 201.100.5.68/28?()

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The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?()

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Which of the following contribute to congestion on an Ethernet network?()

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Which of the following options lists the steps in PPP session establishment in the correct order?()

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What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

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