Cisco1: CCNA Chapter 5 Exam

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Chapter 5 Exam - Study Guide Cisco Network Fundamentals

Which three statements are true about routes and their use? (Choose three.)
-If no route to the destination network is found, the packet is returned to the previous router.
-If the destination network is directly connected, the router forwards the packet to the destination host.
-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 originating host has a default gateway configured, the packet for a remote network can be forwarded using that route
-If a host does not have a route manually configured for the destination network, the host will drop the packet.

-If the destination network is directly connected, the router forwards the packet to the destination host.
-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 originating host has a default gateway configured, the packet for a remote network can be forwarded using that route

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

-destination network address

Which intermediary devices could be used to implement security between networks? (Choose two.)
-router
-hub
-switch
-firewall
-access point
-bridge

-router
-firewall

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

-static

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.

-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.
-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.

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.

-The destination is not contacted before a packet is sent.

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

-source and destination IP address

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

-192.133.219.1

What statement describes the purpose of a default route?
-A host uses a default route to transfer data to another host on the same network segment.
-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 a host outside the local network when no other route to the destination exists.

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

-time-to-live

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?
-10.10.10.26
-127.0.0.1
-10.10.10.6
-10.10.10.1
-224.0.0.0

-10.10.10.6

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.

-The router discards the packet.
-The router forwards the packet out the interface indicated by the default route entry.

What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)
-require no device configuration
-provide routers with up-to-date routing tables
-require less processing power than static routes require
-consume bandwidth to exchange route information
-prevent manual configuration and maintenance of the routing table

-provide routers with up-to-date routing tables
-consume bandwidth to exchange route information

What are the key factors to consider when grouping hosts into a common network? (Choose three.)
-gateways
-purpose
-physical addressing
-software version
-geographic location
-ownership

-purpose
-geographic location
-ownership

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.)
-Replace S2 with a router.
-Place all servers on S1.
-Disable TCP/IP broadcasts.
-Subnet the 192.168.0.0 /24 network.
-Disable all unused interfaces on the switches.

-Replace S2 with a router.
-Subnet the 192.168.0.0 /24 network.

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?
-3
-4
-5
-7
-8
-11

-4

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.

-The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.

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

-identifies the device that allows local network computers to communicate with devices on other networks

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

-network portion

What is a component of a routing table entry?
-the MAC address of the interface of the router
-the destination Layer 4 port number
-the destination host address
-the next-hop address

-the next-hop address

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