CISCO Chapters 1-9 - 1st Semester Review

44. Which two notations are useable nibble boundaries when subnetting in IPv6? */62 */64 */66 */68 */70

/64 and /68

35. Which three IP addresses are private ? (Choose three.) 1. 10.172.168.1, 2. 172.32.5.2, 3. 192.167.10.10, 4. 172.20.4.4, 5. 192.168.5.254

1. 10.172.168.1, 2. 172.20.4.4 5. 192.168.5.254

41. Which subnet would include the address 192.168.1.96 as a usable host address? 1. 192.168.1.64/26, 2. 192.168.1.32/27 3. 192.168.1.32/28 4. 192.168.1.64/29

1. 192.168.1.64/26

23. Which two statements describe the characteristics of fiber-optic cabling? (Choose two.) 1. Fiber-optic cabling does not conduct electricity, 2. Fiber-optic cabling has high signal loss, 3. Fiber-optic cabling is primarily used as backbone cabling, 4. Multimode fiber-optic cabling carries signals from multiple sending devices, or 5. Fiber-optic cabling uses LEDs for single-mode cables and laser technology for multimode cables. .

1. Fiber-optic cabling does not conduct electricity. and 3. Fiber-optic cabling is primarily used as backbone cabling.

2. A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? 1. Regenerating data signals 2. Acting as a client or a server 3. Providing a channel over which messages travel 4. Applying security settings to control the flow of data 5. Notifying other devices when errors occur 6. Serving as the source or destination of the messages

1. Regenerating data signals 4. Applying security settings to control the flow of data 5. Notifying other devices when errors occur

31. Which of the following are primary functions of a router? (Choose two.) 1. packet switching, 2. microsegmentation, 3. domain name resolution, 4. path selection, 5. flow control

1.. packet switching 4. path selection

14. Which IPv4 address can be pinged to test the internal TCP/IP operation of a host? 127.0.0.1 or 192.168.1.1

127.0.0.1

36. How many bits make up the single IPv6 hextet :10CD:?

16

13. Referring to the exhibit, PC2 can send a ping to:

192.168.1.1

52. Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.) 1. media 2. wireless NIC 3. custom adapter 4. crossover cable 5. wireless bridge 6. wireless client software

2. wireless NIC 6. Wireless client software

38. Which group of IPv6 addresses cannot be allocated as a host source address? 1. FEC0::/10, 2. FDFF::/7, 3. FEBF::/10, 4. FF00::/8

4. FF00::/8

19. What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?

ARP, broadcast

27. How does a Layer 3 switch differ from a Layer 2 switch?

An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches

6. Which connection provides a secure CLI session with encryption to a Cisco network device?

An SSH connection

15. What three application layer protocols are part of the TCP/IP protocol suite? ARP DHCP DNS FTP NAT PPP

DHCP, DNS, FTP

45. A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.) *DHCPDISCOVER * DHCPOFFER *DHCPREQUEST *DHCPACK *DHCPNACK

DHCPDISCOVER and DHCPREQUEST

3. A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

DSL

24. What is contained in the trailer of a data-link frame?

Error detection

5. Refer to the exhibit in your packet. From which location did this router load the IOS?

Flash memory

16.Which two protocols function at the internet layer? Choose 2: ARP, BOOTP, ICMP, IP, PPP

ICMP, IP

1. Which communication tool allows real-time collaboration?

Instant Messaging

9. What function does pressing the Tab key have when entering a command in IOS?

It completes the remainder of a partially typed word in a command. 2.1.4

21. What is an important function of the physical layer of the OSI model?

It encodes frames into electrical, optical, or radio wave signals.

30. Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?

It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.

26. Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?

Just PC0 and PC1 MAC addresses

47. When applied to a router, which command would help mitigate brute-force password attacks against the router?

Login block-for 60 attempts 5 within 60

18. What address on a PC does not change, even if the PC is moved to a different network?

MAC address

29. Which technology provides a solution to IPv4 address depletion by allowing multipledevices to share one public IP address?

NAT

33. In which default order will a router search for startup configuration information?

NVRAM, TFTP, setup mode

42. A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices? *random static addresses to improve security *addresses from different subnets for redundancy *predictable static IP addresses for easier identification *dynamic addresses to reduce the probability of duplicate addresses

Predictable static IP addresses for easier identification

32. Describe RAM and ROM in reference to router memory type and its contents

RAM is volatile and stores the running configuration. ROM is nonvolatile and stores bootup information

17. Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?

Request for Comments

43. Refer to the exhibit in your packet. Which IP addressing scheme should be changed?

Site 2

10. Refer to the exhibit. An administrator wants to change the name of a brand new switch using the host]name command as shown. What prompt will display after the command is issued?

Switch(config)#

53. Fill in the blank. _____________ is a best-effort, connectionless application layer protocol that is used to transfer files.

TFTP

7. Refer to the exhibit on your packet. An administrator is trying to configure the switch but receives a message that is displayed in the exhibit. What is the problem?

The administrator must first enter privileged EXEC mode before issuing the command.

25. What is the auto-MDIX feature on a switch?

The automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection

40. Refer to the exhibit in your packet. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?

The default gateway address in incorrect.

20. What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with hosts in other networks

12. After making configuration changes, a network administrator issues a copyrunning-config startup-config command in a Cisco switch. What is the result of issuing this command?

The new configuration will be loaded if the switch is restarted.

34. What happens when part of an Internet VoIP transmission is not delivered to the destination?

The transmission continues without the missing portion.

37. What is the effect of configuring the ipv6 unicast-routing command on a router?

To enable the router as an IPv6 router

8. An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

To interrupt the ping process

46. What is the purpose of the network security accounting function?

To keep track of the actions of a user

39. What is the purpose of ICMP messages?

To provide feedback of IP packet transmissions

28. What is the purpose of the routing process?

To select the paths that are used to direct traffic to destination networks

22. Which procedure is used to reduce the effect of crosstalk in copper cables?

Twisting opposing circuit wire pairs together

4. A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?

WAN

51. What type of wireless security generates dynamic encryption keys each time a client associates with an AP?

WPA

50. What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.) * broadcast SSID *MAC filtering enabled *WEP encryption enabled *PSK authentication required * default administrator password

broadcast SSID default administrator password

48. A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?

ipconfig /displaydns

11. Refer to the exhibit. A .network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?

linevtyin