CCNA 1 - Module 5 Exam Answers

1.

Refer to the exhibit. What is the appropriate cable to use at each of the numbered network connections?
• 1-crossover; 2-straight-through; 3-crossover; 4-straight-through
• 1-straight-through; 2-crossover; 3-straight-through; 4-straight-through
• 1-straight-through; 2-crossover; 3-crossover; 4-straight-through
• 1-rollover; 2-crossover; 3-straight-through; 4-straight-through
• 1-rollover; 2-straight-through; 3-straight-through; 4-straight-through

2. Which two devices are considered OSI Layer 1 devices? (Choose two.)
• hubs
• routers
• bridges
• switches
• repeaters

3. What device is used to connect hosts to an Ethernet LAN and requires a straight-through UTP cable between the hosts and this device?
• NIC
• router
• switch
• server

4. What is the most common type of cabling used in LANs?
• STP
• UTP
• coax
• fiber

5. In which situations would a crossover cable be used to connect devices in a network? (Choose two.)
• switch to PC
• switch to hub
• switch to router
• switch to server
• switch to switch

6.

Refer to the exhibit. How many collision domains exist in the network?
• 1
• 2
• 4
• 7
• 8

7. What type of cable would be used to make the connection between the console port of a router and a workstation?
• crossover
• rollover
• straight-through
• patch

8.

Which function is a unique responsibility of the DCE devices shown in the exhibit?
• transmission of data
• reception of data
• clocking for the synchronous link
• noise cancellation in transmitted data

9. Which address does a bridge use to make filtering and switching decisions?
• source MAC
• source IP
• destination MAC
• destination IP
• network IP address

10. What is characteristic of how a hub operates?
• A hub selectively drops packets that represent potential security risks.
• A hub forwards data out all interfaces except the inbound interface.
• A hub dynamically learns the interfaces to which all devices are attached.
• At start up, a hub queries the devices on all interfaces in order to learn the MAC addresses of the attached devices.
• A hub transmits a frame to a specific interface based on the destination MAC address.

11. Users with systems that are attached to a hub are complaining about poor response time. What device could replace the hub and provide immediate response time improvement?
• router
• switch
• bridge
• repeater

12. Which of the following are benefits of peer-to-peer networks? (Choose three.)
• centralized security
• easy to create
• very scalable
• no centralized equipment required
• centralized administrator not required
• centralized control of assets

13. Which statement is accurate about a WAN link?
• The link transmits data serially.
• The link uses a maximum distance of 100 meters.
• The link uses the same transmission rate as all other WAN links use.
• The link uses the same standardized connector style that is used for all WAN technologies.

14.

Which items in the exhibit are DTE devices?
• A and B
• B and C
• C and D
• A and D
• A, B, C, and D

15. At which layer of the OSI model does the MAC address of a NIC reside?
• physical
• application
• network
• transport
• data link
• session

16.

Refer to the exhibit. A technician measured the lengths of the CAT 5e structured cable runs in the exhibit. How should the technician evaluate the cabling shown in the diagram to the network administrator?
• All cabling to work areas are within specifications.
• Station A and B may experience intermittent problems because the length exceeds the recommended standard.
• Station B may experience intermittent problems because the length exceeds the recommended standard.
• Station C may experience intermittent network connectivity because the length is less than the recommended standard.
• Station A and B will have intermittent problems because the length exceeds the recommended standard.
• Station C will not have network connectivity because the length is less than the recommended standard.

17. Which statement describes a typical use of Gigabit Ethernet?
• to provide high-speed desktop connectivity for average users
• to provide connectivity to low to medium volume applications
• to provide medium volume connectivity to workgroup servers
• to provide high-speed connectivity for backbones and cross connects

18.

The ends of a UTP cable are shown in the exhibit. Which cable configuration is shown?
• crossover
• rollover
• reversed-pair
• straight-through
• split-pair
• console

19.

The ends of a UTP cable are shown in the exhibit. Which cable configuration is shown?
• console
• crossover
• rollover
• reversed-pair
• split-pair
• straight-through
20. Which of the following are benefits of a wireless network? (Choose two.)
• higher data speeds
• better security
• mobility
• less expensive NIC cards
• no need to run cables to hosts

21	In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another? destination network address source network address source MAC address well known port destination address

22

Which two of the following statements accurately describe a default gateway? (Choose two.) A default gateway is used when a host transfers data to another host on the same network segment. A default gateway is the IP address assigned to the near-side router interface. A default gateway is the IP address assigned to the near-side switch interface. A default gateway is used when a host transfers data to a host on another network segment.

23	What information is added during encapsulation at OSI Layer 3? source and destination MAC source and destination application protocol source and destination port number source and destination IP address

24	In a connectionless system, which of the following is correct? The destination is contacted before a packet is sent. The destination is not contacted before a packet is sent. The destination sends an acknowledgement to the source that indicates the packet was received. The destination sends an acknowledgement to the source that requests the next packet to be sent.

25

Which statement below is talking about the network layer? Provides electrical, mechanical, procedural and functional means for activating and maintaining the link between systems. Establishes, maintains, and manages sessions between applications. Uses the Internet Protocol addressing scheme to determine the best way to move data from one place to another. Uses a MAC address to provide physical transmission across media and handles error notification, network topology, and flow control.

26	Which IP packet field will prevent endless loops? type-of-service identification flags time-to-live header checksum

27	Which portion of the network layer address does a router use to forward packets? host portion broadcast address network portion gateway address

28	Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network? 192.135.250.1 192.31.7.1 192.133.219.0 192.133.219.1

29

If the default gateway is configured incorrectly on the host, what is the impact on communications? The host is unable to communicate on the local network. The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks. The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network. There is no impact on communications.

30	What is the purpose of a default gateway? physically connects a computer to a network provides a permanent address to a computer identifies the network to which a computer is connected identifies the logical address of a networked computer and uniquely identifies it to the rest of the network identifies the device that allows local network computers to communicate with devices on other networks

31	Refer to the exhibit. The output is shown for the show ip route command executed on Router A. What does the IP address 192.168.2.2 represent? Gateway for the 192.168.1.0 network Gateway for the 192.168.3.0 network IP assigned to the serial port on Router A IP assigned to the serial port on Router B

32	What type of routing uses information that is manually entered into the routing table? dynamic interior static standard

33	What are the functions of a routing protocol? (Choose three.) provides the process for sharing route information between routers enables routers to manually configure the best path enables routers to maintain the routing tables enables routers to choose the best path to route the packet provides the process for sharing IP addresses between routers enables routers to change Layer 3 address header

34

When the destination network is not listed in the routing table of a Cisco router, what are two possible actions that the router might take? (Choose two.) The router sends an ARP request to determine the required next hop address. The router discards the packet. The router forwards the packet toward the next hop indicated in the ARP table. The router forwards the packet to the interface indicated by the source address. The router forwards the packet out the interface indicated by the default route entry