TestInside 640802 v13.docx

1、TestInside 640802 v13CopyrightTestInside 640-802Cisco 640-802Cisco Certified Network Associate (CCNA)Q&A 192 v13 & v3.21武汉艾迪飞IT培训中心整理 左边的云制作WEB1: Forum： TestInside,help you pass any IT exam!TestInside reserves the right to take legal action against you according to the International Copyright Laws i

2、f the pdf file is being distributed by you.TestInside 640-8021. What are two reasons that a network administrator would use access lists? (Choose two.)A. to control vty access into a routerB. to control broadcast traffic through a routerC. to filter traffic as it passes through a routerD. to filter

3、traffic that originates from the routerE. to replace passwords as a line of defense against security incursions Answer: AC2. A default Frame Relay WAN is classified as what type of physical network? A. point-to-pointB. broadcast multi-accessC. nonbroadcast multi-accessD. nonbroadcast multipoint E. b

4、roadcast point-to-multipoint Answer: C3. Refer to the exhibit. How many broadcast domains exist in the exhibited topology?A. oneB. twoC. threeD. fourE. fiveF. six Answer: CTestInside 640-8024. A single 802.11g access point has been configured and installed in the center of a square office. A few wir

5、eless users are experiencing slow performance and drops while most users are operating at peak efficiency. What arethree likely causes of this problem? (Choose three.)A. mismatched TKIP encryptionB. null SSIDC. cordless phonesD. mismatched SSIDE. metal file cabinetsF. antenna type or directionAnswer

6、: CEF5. Refer to the exhibit. What two facts can be determined from the WLAN diagram? (Choose two.)A. The area of overlap of the two cells represents a basic service set (BSS).B. The network diagram represents an extended service set (ESS).C. Access points in each cell must be configured to use chan

7、nel 1.D. The area of overlap must be less than 10% of the area to ensure connectivity.E. The two APs should be configured to operate on different channels. Answer: BETestInside 640-8026. The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statem

8、ents is true concerning this command? A. This command should be executed from the global configuration mode.B. The IP address 10.121.16.8 is the local router port used to forward data.C. 102 is the remote DLCI that will receive the information.D. This command is required for all Frame Relay configur

9、ations.E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.Answer: E7. Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server? A. denial of serviceB. brute force C. reconnaissanceD. Trojan horseAnswer: A8.

10、Which of the following are associated with the application layer of the OSI model? (Choose two.)A. pingB. TelnetC. FTPD. TCPE. IPAnswer: BC9. For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should

11、be blocked with access control lists?A. IPB. ICMPC. TCPD. UDPAnswer: BTestInside 640-80210. Refer to the exhibit. The network administrator has created a new VLAN on Switch1 and added host C and host D. The administrator has properly configured switch interfaces FastEthernet0/13 through FastEthernet

12、0/24 to be members of the new VLAN. However, after the network administrator completed the configuration, host A could communicate with host B, but host A could not communicate with host C or host D. Which commands arerequired to resolve this problem? A. Router(config)# interface fastethernet 0/1.3R

13、outer(config-if)# encapsulation dot1q 3 Router(config-if)# ip address 192.168.3.1 255.255.255.0 B. Router(config)# router ripRouter(config-router)# network 192.168.1.0 Router(config-router)# network 192.168.2.0 Router(config-router)# network 192.168.3.0 C. Switch1# vlan databaseSwitch1(vlan)# vtp v2

14、-modeSwitch1(vlan)# vtp domain ciscoSwitch1(vlan)# vtp serverD. Switch1(config)# interface fastethernet 0/1Switch1(config-if)# switchport mode trunkSwitch1(config-if)# switchport trunk encapsulation islAnswer: ATestInside 640-80211. What are two recommended ways of protecting network device configur

15、ation files from outside networksecurity threats? (Choose two.)A. Allow unrestricted access to the console or VTY ports. B. Use a firewall to restrict access from the outside to the network devices.C. Always use Telnet to access the device command line because its data is automatically encrypted.D. Use SSH or another encrypted and authenticated transport to access device configurations.E. Prevent the loss of passwords by disabling password encryption.Answer: BD12. Refer