单项选择题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.多项选择题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.单项选择题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.多项选择题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.多项选择题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.多项选择题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.

6.多项选择题Which of the following correctly describe the various functions and virtues of a router?()

A. Packet switching
B. Collision prevention on a LAN segment.
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication

7.多项选择题When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?()

A. Bridges are faster than switches because they have fewer ports.
B. A switch is a multiport bridge,
C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D. A bridge will forward a broadcast but a switch will not.
E. Bridges and switches increase the size of a collision domain.
F. None of the above statements are true.

8.单项选择题You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?()

A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
D. Virtual LANs
E. Store-and-forward switching

9.单项选择题Which one of the following characteristics is true regarding the use of hubs and switches?()

A. Hubs can have their ports be configured with VLANs
B. Using hubs is costly with regard to bandwidth availability.
C. Switches can not forward broadcasts.
D. Switches are more efficient than hubs in processing frames.
E. Switches increase the number of collision domains in the network.

最新试题

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

题型:单项选择题

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?()

题型:单项选择题

Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?()

题型:多项选择题

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? ()

题型:多项选择题

Which statement describes the rule of split horizon?()

题型:单项选择题

Which command is used to display the placement and direction of an IP access control list on a router?()

题型:单项选择题

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? ()

题型:单项选择题

How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? ()

题型:单项选择题

Which of the following statements regarding routed and routing protocols are true?()

题型:多项选择题

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

题型:单项选择题