單項選擇題You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）

A. Nothing. The router is already suitable.
B. A BRI WAN interface in the router.
C. An external NT1 to terminate the local loop.
D. A TA/NT1 device on the router.


您可能感興趣的試卷

你可能感興趣的試題

3.單項選擇題Which of the following Frame-Relay encapsulation commands would you use, if you had to connect your Cisco router to a non-Cisco router?（）

A. TestKRouter(config-if)# Encapsulation frame-relay dot1q
B. TestKRouter(config-if)# Encapsulation frame-relay aal5snap
C. TestKRouter(config-if)# Encapsulation frame-relay ietf
D. TestKRouter(config-if)# Encapsulation frame-relay isl
E. None of the above

4.單項選擇題A new frame-relay network is being implemented and inverse ARP does not appear to be operating correctly. Which alternative command can be used to provide connectivity?（）

A. frame-relay arp
B. frame-relay map
C. frame-relay interface-dlci
D. frame-relay lmi-type
E. frame-relay pvc

5.單項選擇題When configuring Frame Relay using point-to-point subinterfaces, which of the following must not be configured?（）

A. The local DLCI on each subinterface of the Frame Relay.
B. The Frame Relay encapsulation on the physical interface.
C. An IP address on the physical interface.
D. The subinterface type as point-to-point

6.多項選擇題A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）

A. Router# ping 192.168.13.26
B. Router# debug access-list 172
C. Router# show open ports 192.168.13.26
D. Router# show access-list
E. Router# show ip interface

7.單項選擇題

You are the network administrator at TestKing. You apply the following access list on the E0 outbound interface connected to the 192.168.1.8/29 LAN:
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 20 any
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 21 any
What will the effect of this access list be?（）

A. All traffic will be allowed to out of E0 except FTP traffic.
B. FTP traffic from 192.168.1.22 to any host will be blocked.
C. FTP traffic from 192.168.1.9 to any host will be blocked.
D. All traffic will be prevented from leaving E0.
E. All FTP traffic to network 192.168.1.9/29 from any host will be blocked.

8.單項選擇題A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?（）

A. access-list 101 deny tcp 192.168.1.128 0.0.015 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any
B. access-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any any
C. access-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any any
D. access-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any
E. access-list 101 deny ip 192.168.1.128 0.0.0.240 192.158.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any
F. access-list 101 deny ip 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any

9.多項選擇題What are some general guidelines regarding the placement of access control lists?（）

A. You should place standard ACLS as close as possible to the source of traffic to be denied.
B. You should place extended ACLS as close as possible to the source of traffic to be denied.
C. You should place standard ACLS as close as possible to the destination of traffic to be denied.
D. You should place extended ACLS should be places as close as possible to the destination of traffic to be denied.

10.單項選擇題Which of the following commands would successfully implement an access list on a routers virtual terminal line?（）

A. RouterTK(config-line)# access-class 10 in
B. RouterTK(config-if)# ip access-class 23 out
C. RouterTK(config-line)# access-list 150 in
D. RouterTK(config-if)# ip access-list 128 out
E. RouterTK(config-line)# access-group 15 out
F. RouterTK(config-if)# ip access-group 110 in

最新試題

A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）

題型：單項選擇題

New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）

題型：單項選擇題

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? （）

題型：多項選擇題

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

題型：多項選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

題型：多項選擇題

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? （）

題型：單項選擇題

Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. （）

題型：多項選擇題

Which connections allow the use of full-duplex Ethernet?（）

題型：多項選擇題

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? （）

題型：單項選擇題

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）

題型：多項選擇題