CCNA 1 Module 5 Exam Answers(100%)

1

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?

*192.133.219.0
*192.133.219.1
*192.31.7.1
*192.135.250.1

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

source MAC address
source network address
*destination network address

3 Which IP packet field will prevent endless loops?

*time-to-live
*identification
*header checksum
*type-of-service
*flags

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

5- 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.

6- What type of routing uses information that is manually entered into the routing table?

*dynamic
*static
*standard
*interior

7 -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 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 sends an ARP request to determine the required next hop address.
*The router discards the packet.
*The router forwards the packet out the interface indicated by the default route entry.

8 -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

9- What are the key factors to consider when grouping hosts into a common network? (Choose three.)

*software version
*ownership

*geographic location
*gateways
*purpose
*physical addressing

10 -What are three common problems with a large network? (Choose three.)
*too few broadcasts
*limited management responsibility

*performance degradation

*security issues
*host identification
*compatibility

11- In a connectionless system, which of the following is correct?

*The destination is not contacted before a packet is sent.
*The destination sends an acknowledgement to the source that requests the next packet to be sent.
*The destination sends an acknowledgement to the source that indicates the packet was received.
*The destination is contacted before a packet is sent.

12- What statement describes the purpose of a default route?
*A host uses a default route to forward data to the local switch as the next hop to all destinations.
*A host uses a default route to identify the Layer 2 address of an end device on the local network.
*A host uses a default route to transfer data to a host outside the local network when no other route to the destination exists.

*A host uses a default route to transfer data to another host on the same network segment.

13-Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?

*8
*11
*3
*4
*5

*7

14 Which three statements are true about routes and their use? (Choose three.)

*If a host does not have a route manually configured for the destination network, the host will drop the packet.

*If multiple network entries exist for the destination network, the most general route is used to forward the packet.
*If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router.
*If the destination network is directly connected, the router forwards the packet to the destination host.
*If no route to the destination network is found, the packet is returned to the previous router.
*If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.

15- What is the purpose of a default gateway?
*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
*identifies the network to which a computer is connected
*physically connects a computer to a network
*provides a permanent address to a computer

16,
Refer to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network packets out the network. Using the netstat -r command, the administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?

*224.0.0.0

*10.10.10.26
*10.10.10.1
*127.0.0.1
*10.10.10.6

17,

Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)

*192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 network to the 172.16.0.0 network.
*10.0.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 10.0.0.0 network.
*192.168.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 172.16.0.0 network.
*172.16.0.1 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 to the 172.16.0.0 network.
*192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.
*192.168.0.2 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.

18 What is a component of a routing table entry?
*the destination host address
*the next-hop address

*the destination Layer 4 port number
*the MAC address of the interface of the router

19-Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)

**Disable TCP/IP broadcasts.

**Place all servers on S1.
**Replace S2 with a router.
**Disable all unused interfaces on the switches.

**Subnet the 192.168.0.0 /24 network.

20 Which intermediary devices could be used to implement security between networks? (Choose two.)

*access point
*switch
*firewall
*router
*hub
*bridge

21 What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)
*require less processing power than static routes require
*consume bandwidth to exchange route information
*prevent manual configuration and maintenance of the routing table

*require no device configuration
*provide routers with up-to-date routing tables

CCNA D1 Module 5 Exam Answers(100%)

[learn-ccna.com]

ccna discovery 1 module 5

1. How large are IPv4 addresses?
* 64 bits

* 8 bits

* 16 bits
* 32 bits
* 128 bits

2. How many bits are available for Class B host IP addresses using a default subnet mask?
* 16
* 4
* 24

* 8

3. Which part of an IP address identifies a specific device on a network?
* first two octets
* host portion

* only the fourth octet

* network portion
* third and fourth octets

4. Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong?
* 172.32.65.32
* 172.32.0.0
* 172.32.65.0
* 172.32.32.0

5. Refer to the graphic. A user at the workstation cannot connect to the server. All cables have been tested and are working and all devices have IP addressing. However, the user cannot ping the server. What is causing the problem?
* The router interface does not have a default gateway.
* The workstation does not know the MAC address of the switch.
* The switch does not have an IP address and default gateway.
* The workstation and server are on different logical networks.

6. Which default subnet mask provides the most host bits?
* 255.0.0.0
* 255.255.255.252
* 255.255.0.0
* 255.255.255.0

7 Assuming a default mask, which portion of the IP address 175.124.35.4 represents the host?
* 124.35.4
* 35.4
* 175.124.35
* .4
* 175.124

8. Which of the following are private IP addresses? (Choose three.)
* 172.16.4.4
* 224.6.6.6
* 10.1.1.1
* 192.167.10.10
* 192.168.5.5
* 172.32.5.2

9. Yvonne is talking to her friend on the phone. What type of message is this?
* simulcast
* broadcast
* multicast
* unicast

10. A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
* The configuration is held by the server to be reissued when the PC is returned.
* The configuration is permanent and nothing changes.
* The address lease is automatically renewed until the PC is returned.
* The address is returned to the pool for reuse when the lease expires.

11. Which type of server dynamically assigns an IP address to a host?
* RARP

* DHCP
* DNS
* ARP

12. How many usable hosts are available given a Class C IP address with the default subnet mask?
* 254
* 510
* 255
* 511
* 256
* 512

13. What information must be included within a unicast message for it to be delivered on an Ethernet network?
*MAC and IP addresses that correspond to a specific destination host
* MAC and IP addresses for the default router
* IP address and subnet mask of the default gateway
* MAC and IP addresses that correspond to a destination group

14. Which statement is true concerning private IP addresses?
* allows internal hosts to communicate with servers across the Internet
* ensures that two networks separated by the Internet use unique IP network numbers
* solves the issue of a finite number of available public IP addresses
* allows for ISPs to be able to quickly determine network location

15. What is one of the purposes of NAT?
* translates IP addresses into easy-to-remember domain names
* filters network traffic based on IP address ranges
* prevents external users from detecting the IP addresses used on a network
* inspects traffic that might be harmful or used in an attack against the network

16. Which three statements describe a DHCP Discover message? (Choose three.)
* The message comes from a client seeking an IP address.
* All hosts receive the message, but only a DHCP server replies.
* Only the DHCP server receives the message.

17. Refer to the graphic. NAT and DHCP are installed on the Linksys integrated router. Which IP address is most likely to be assigned to the local computer, Host1?

* 192.135.250.0
* 128.107.1.2
* 209.165.201.1

* 10.0.0.17

18. What destination IP address is used in a unicast packet?
* the network broadcast address
* the default gateway
* a specific host
* a group of hosts

19. Refer to the graphic. A host connects to a Linksys integrated router that is also a DHCP server and receives an IP address from it. Which address does the host need to access the ISP and the Internet?
* external IP address of the integrated router that connects to the ISP

* public gateway IP address of the ISP
* internal IP address of the integrated router that connects to the local network
* IP address of the destination host

20. Which two statements describe packets that are sent through a Linksys integrated router using NAT? (Choose two.)
* Packets that are sent to a destination outside a local network do not need to be translated.
* Packets that are sent between hosts on the same local network do not need to be translated.
* Packets that are sent to any destination need to be translated.
* Packets that are sent to hosts on the same network need to be translated.
* Packets that are sent to a destination outside the local network need to be translated.

21. What is the destination MAC address in a multicast Ethernet frame?
* the MAC address of the destination host
* an address that begins with 01-00-5E in hexadecimal
* a 48-bit hexadecimal address expressed as FF-FF-FF-FF-FF-FF
* the MAC address of the sending host