Tin Học >> Hệ Thống - Mạng >> CCNA
|| Phân Tích Thiết Kế Hệ Thống
Bảo Trì Hệ Thống
Thông Tin Di Động
Quản Lý và Bảo Trì Windows Sever
An Toàn Bảo Mật Thông Tin
CCNA
Microsoft Exchange Server
Cơ Sở Điều Khiển Tự Động
Windows Server
Có 116 bài trong 12 trang (10 bài/trang) và bạn đang ở trang 8.
RouterA has two redundant paths serial links to RouterB. RouterA and RouterB are only using the IPX protocol. You have noticed that RouterA is not using both paths to get to RouterB. Which command can you enter to enable load balancing across those serial links? A. ipx load-balance. B. ip maximum-paths 2. C. ipx maximum-paths 2. D. ipx load-share..... The ABC Company has hired you as a consultant to add a new VLAN named SALES to there existing switched network. Which of the following are true regarding configuration of this VLAN? A. The VLAN must be created. B. The VLAN must be named. ..... You have just entered the command copy running-config startup-config command to save your configuration so that if the router is rebooted it will keep your configuration. Which type of router memory normally stores the startup configuration? A. RAM B. ROM C. FLASH D. NVRAM...... You have hired a new consultant to help you setup and configure a router in the Florida office. You are located in the company headquarters in Atlanta from the DOS command prompt, you are able to ping a router but are unable to telnet it. What is most likely causing this problem? A. The PC has a bad network interface card..... What is the total bandwidth of an ISDN BRI circuit? A. 54 kps B. 64 kps C. 112 kps D. 128 kps E. 144 kps..... One B channel is 64 and the one class D is 16 kbps. 54 kbps is impossible. B: A BRI contains 2 B channels 2 x 64 = 128 plus a 16 class D channel for a total of 144 kbps. C: There is no mathematical way to obtain 112 kpbs with BRI. D: 128 kbps only accounts for the class B channels and not for the class D channel.... Your company has decided to use IGRP instead of RIP as the routing protocol. They want to use autonomous system number 130. Which is the correct command for this installation? A. Router(config)# igrp 130 B. Router(config)# network 130 C. Router(config)# router igrp 130 D. Router(config)# enable igrp 130.... TestKing1 cannot establish a connection to TestKing2 using the show interface serial 0/0 command on TestKing1 command which layer of the OSI model is most likely the problem? A. Physical layer. B. Data layer. C. Network layer. D. Transport layer...... Which layer of the OSI model handles data translation, code formatting, and encryption occur? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation... Using a class C address you need five subnets with a maximum of 17 hosts on each of these subnets. Which subnet mask would you use? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248.... RIP interpacket delay is 55 ms, maximum size is 432 bytes IPX accounting is disabled IPX fast switching is configured (enabled) RIP packets received 0, RIP packets sent 1 SAP packets received 0, SAP packets sent 1 Novell IPX addressing uses a two-part address that consists of 32 bits for the network number and 48 bits for the node number. What is the node number/layer 2 address as shown in the output of the show ipx interface e0 command? A. 6F2C B. 0000.0c C. 5d.b35e D. 0c5d.b363 E. 0000.0c5d.b363 F. 6F2C.0000.0c5d.b363..... The default bandwidth of a high-speed serial link is 1.544 or T1. What is the correct command to change the bandwidth of the interface to 64K? A. Bandwidth 64 B. Band width 64 C. Bandwidth 64000 D. Band width 64000 E. Bandwidth 64K...... Router A is unable to connect to Router B, which is a Nortel router, through the network cloud. Using the command output shown what must be configured on Router A's interface s0 to change the line protocol from down to up? A. No shutdown. B. Encapsulation ppp. C. Interface serial point-to-point. D. Clock rate 56000..... When setting up Frame Relay for point-to-point subinterfaces, you enter the following configuration: Router(config)#int s0/0 Router(config-if)#ip address 10.39.0.1 255.255.0.0 Router(config-if)#encapsulation frame-relay Router(config-if)#interface s0/0.39 point-to-point Router(config-if)#frame-relay interface-dlci 139 Router(config-if)#exit Router(config)#exit Router#copy run start Which of the following must not be configured? A. The Frame Relay encapsulation on the physical interface. B. The local DLCI on each subinterface. C. An IP address on the physical interface. D. The subinterface type as point-to-point........ You just purchased a brand new Cisco 2621 router. By default when the router boots which search sequence does it use to locate the IOS software? A. Flash, TFTP server, ROM B. NVRAM, TFTP server, ROM C. ROM, Flash, TFTP server D. ROM, NVRAM, TFTP server.... You would like the router to look in NVRAM upon boot up. Which one of the following would be the correct value for the configuration register? A. 0x42 B. 0x2102 C. 0x001 D. 0x2101....... Using a class C address range 192.168.21.12 your network needs twenty-eight subnets. Which subnet mask should you use? A. 255.255.0.28 B. 255.255.255.0 C. 255.255.255.28 D. 255.255.255.248 E. 255.255.255.252.... Cisco supports three types of switching modes on switches. Which mode of switching can have a variable latency through the switch? A. Store-and-forward. B. Cut-through. C. Fragment-free....... |