Final1.CCNA4.0.upload.by.kakalos 2.pdf

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1
How does the transport layer allow a host to maintain multiple, simultaneous communication streams across different applications?
It uses error control mechanisms.
It uses a connectionless protocol only for multiple simultaneous transmissions.
It uses multiple Layer 2 source addresses.
It uses multiple ports.
2
Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - straight-through cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - rollover cable
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - straight-through cable
Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - rollover cable Connection 3 - crossover cable
3
Which OSI layer manages data segments?
application layer
presentation layer
session layer
transport layer
4
Which three statements are true about network layer addressing? (Choose three.)
It uses the last octet of the IP address to identify the network.
It supports data communications between networks.
It is configured by the network technician.
It is a 16-bit IPv4 address.
It prevents broadcasts.
It uniquely identifies each host.
5
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Refer to the exhibit. A PC is connected to a network. Which action will verify that the PC can communicate with its default gateway?
Use the ping 127.0.0.1 command.
Use the ipconfig command.
Use the ipconfig/all command.
Use the ping 10.0.0.254 command.
6
Which two types of media can provide bandwidth up to 1 Gb/s? (Choose two.)
10 BASE-T
100 BASE-T
100 BASE-FX
1000 BASE-TX
1000 BASE-SX
7
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Refer to the exhibit. A technician uses the nslookup command on the PC and views the output that is displayed in the exhibit. What is the IP address of the primary domain name server used by the host?
10.10.10.32
192.168.1.5
192.168.1.99
192.168.2.100
8
Refer to the exhibit. The diagram represents the process of sending e -mail between clients. Which list correctly identifies the component or protocol used at each numbered stage of the diagram?
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA
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9
Refer to the exhibit. The router of the company failed and was replaced. After the replacement, hosts C and D in the Education office are able to ping each other, but they are unable to access the hosts in the Accounts office. What is the likely cause of t he problem?
The IP address at the fa0/0 interface of the router is incorrectly configured.
The subnet mask at the fa0/1 interface of the router is incorrectly entered.
The IP address at the serial interface of the router is incorrectly configured.
The hosts in the Accounts office are not on the same subnet as the hosts in the Education office.
10 .
10
Which three statements are true about transport layer protocols? (Choose three.)
The UDP transport layer protocol provides for low overhead data delivery.
The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data.
The TCP and UDP port numbers are used by application layer protocols.
The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
The UDP transport layer protocol is a connection -oriented protocol.
The UDP transport layer protocol keeps track of all the data segments in each conversation.
11 Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
transport layer
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12
Refer to the exhibit. The host was disconnected from switch 2 and connected to switch 1. Which combination of IP address, subnet mask, and default gateway should be assigned to this host to allow it to function in the network?
IP address: 10.10.9.37 Subnet mask: 255.255.255.240 Default gateway: 10.10.9.35
IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35
IP address: 10.10.9.29 Subnet mask: 255.255.255.248 Default gateway: 10.10.9.35
IP address: 10.10.9.32 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35
IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 196.1.105.6
IP address: 10.10.9.63 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35
13
Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0?
255.255.0.0
255.255.254.0
255.255.252.0
255.255.248.0
255.255.240.0
255.255.255.128
14
What are three characteristics of CSMA/CD? (Choose three.)
Devices listen to the media and transmit data only when they cannot detect another signal on the media.
All devices on the media can hear all communications.
Devices communicate based on a configured priority.
After a collision occurs, the devices that caused the collision have first priority when attempting to retransmit.
When a collision occurs, all devices stop transmitting for a randomly generated period of time.
CSMA/CD uses a token system to avoid collisions.
15
Which three addresses belong to the category of private IP addresses? (Choose three.)
10.0.0.1
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