ENetwork Chapter 5 - CCNA Exploration (Version 4.0)
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Exam Viewer - ENetwork Chapter 5 - CCNA Exploration (Version 4.0)
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Below you will find the assessment items as presented on the exam as well as the scoring rules associated with the item.
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1 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
Scoring Rule For: correctness of response
2 points for Option 1
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.4 A Route - The Path to a Network
2 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
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.1.1 Network Layer - Communication from Host to Host
3 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.
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.1.3 The IP v4 Protocol - Connectionless
4 Which IP packet field will prevent endless loops?
type-of-service
identification
flags
=time-to-live
header checksum
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.1.7 IP v4 Packet Header
5 Which portion of the network layer address does a router use to forward packets?
host portion
broadcast address
=network portion
gateway address
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.2.5 How Do We Separate Hosts Into Networks? - Hierarchical Addressing
6
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
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.1 Device Parameters - Supporting Communication Outside Our Network
7 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.
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.1 Device Parameters - Supporting Communication Outside Our Network
8 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
Scoring Rule For: correctness of response
2 points for Option 5
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.1 Device Parameters - Supporting Communication Outside Our Network
9 What type of routing uses information that is manually entered into the routing table?
dynamic
interior
=static
standard
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.4.2 Static Routing
10 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.
Scoring Rule For: correctness of response
Option 2 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.7 Packet Forwarding - Moving the Packet Toward its Destination
11 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
Scoring Rule For: correctness of response
Option 2, Option 5, and Option 6 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
5.2.1 Networks - Separating Hosts into Common Groups
12 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
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.5 The Destination Network
13 Which intermediary devices could be used to implement security between networks? (Choose two.)
=router
hub
switch
=firewall
access point
bridge
Scoring Rule For: correctness of response
Option 1 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.2.3 Why Separate Hosts Into Networks? - Security
14 What are three common problems with a large network? (Choose three.)
too few broadcasts
=performance degradation
=security issues
limited management responsibility
=host identification
protocol compatibility
Scoring Rule For: correctness of response
Option 2, Option 3, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
5.2.2 Why Separate Hosts Into Networks? - Performance
15
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
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.2.2 Why Separate Hosts Into Networks? - Performance
16 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.
Scoring Rule For: correctness of response
Option 2, Option 4, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
5.3.7 Packet Forwarding - Moving the Packet Toward its Destination
17
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
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.4 A Route - The Path to a Network
18
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.
Scoring Rule For: correctness of response
Option 1 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.2.2 Why Separate Hosts Into Networks? - Performance
19
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.
Scoring Rule For: correctness of response
Option 1 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.6 The Next Hop - Where the Packet Goes Next
20 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
Scoring Rule For: correctness of response
Option 2 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.4.3 Dynamic Routing
21 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.
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
5.3.7 Packet Forwarding - Moving the Packet Toward its Destination
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