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Chapter 1 - Networking Devices, Technologies and Models

Description

✓ Recognizing the purpose of networking services such as DHCP, DNS, NAT, and authentication services ✓ Understanding the difference between hubs, bridges, switches, and routers ✓ Understanding the OSI model and what devices and protocols run at each layer of the OSI model ✓ Knowing when to use a straight-through cable or a crossover cable ✓ Understanding the difference between a collision domain and a broadcast domain
Kessi Silva
Quiz by Kessi Silva, updated more than 1 year ago
Kessi Silva
Created by Kessi Silva almost 7 years ago
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Resource summary

Question 1

Question
Your manager asks you which service is responsible for translating the source IP address of a packet to the IP address of the public interface on the router.
Answer
  • DHCP
  • NAT
  • DNS
  • HTTP

Question 2

Question
You are troubleshooting a communication problem. You seem to be able to communicate with Glen’s website by IP address, but not by the fully qualified domain name (www.gleneclarke.com). What is most likely the problem?
Answer
  • DHCP
  • NAT
  • DNS
  • HTTP

Question 3

Question
Which network service can be configured on your router that is responsible for assigning IP addresses to systems on the network?
Answer
  • DHCP
  • NAT
  • DNS
  • HTTP

Question 4

Question
What service on the network is responsible for converting the FQDN to an IP address?
Answer
  • Authentication server
  • DNS server
  • DHCP server
  • NAT

Question 5

Question
What service on the network is responsible for verifying username and passwords when the user attempts to log on?
Answer
  • Authentication server
  • DNS server
  • DHCP server
  • NAT

Question 6

Question
You are monitoring network traffic and you notice a number of DHCP discover messages on the network. Which of the following is the destination address of the DHCP discover message?
Answer
  • 0F-1B-3C-2F-3C-2A
  • FF-FF-FF-FF-FF-FF
  • 192.168.4.5
  • 192.168.0.0

Question 7

Question
When a client system boots up and requests an IP address, it first must send out which message?
Answer
  • DHCP request
  • DHCP discover
  • DHCP response
  • DHCP ACK

Question 8

Question
What device is responsible for regenerating the signal so that the signal can travel a greater distance?
Answer
  • Bridge
  • Router
  • Repeater
  • Switch
  • Hub

Question 9

Question
Which device filters traffic by looking at the destination address of the frame and then forwards the frame to the port that the destination system resides on?
Answer
  • Hub
  • Router
  • Repeater
  • Switch

Question 10

Question
Which of the following is a layer-3 device?
Answer
  • Bridge
  • Router
  • Repeater
  • Switch
  • Hub

Question 11

Question
A device that can send and receive information, but not at the same time, is said to be _________________.
Answer
  • Simplex
  • Full duplex
  • Multicast
  • Half-duplex

Question 12

Question
A message that is sent out on the network and is destined for all systems is known as a __________________ message.
Answer
  • Unicast
  • Multicast
  • Full duplex
  • Broadcast

Question 13

Question
A message that is sent out on the network and is destined for a group of systems is known as a ______________ message.
Answer
  • Unicast
  • Multicast
  • Full duplex
  • Broadcas

Question 14

Question
A group of systems that can receive one another’s broadcast messages is known as a __________________.
Answer
  • Collision domain
  • Active directory domain
  • Fully qualified domain name
  • Broadcast domain

Question 15

Question
You are monitoring network traffic and notice that there is a large number of broadcast messages sent across the wire. You would like to separate your network into multiple broadcast domains. How can you do this? (Select two.)
Answer
  • Switch
  • VLANs
  • Router
  • Bridge

Question 16

Question
A group of systems that can have their data collide with one another is known as a ____________________.
Answer
  • Broadcast domain
  • VLAN
  • Collision domain
  • Multicast

Question 17

Question
How many broadcast domains and collision domains are there in the diagram below?
Image:
Seleção 004 (binary/octet-stream)
Answer
  • 1 broadcast domain and 5 collision domains
  • 2 broadcast domains and 3 collision domains
  • 1 broadcast domain and 3 collision domains
  • 2 broadcast domains and 5 collision domains

Question 18

Question
Sue is having trouble understanding some network concepts and asks you to help identify address types. Which of the following is considered a layer-2 address?
Answer
  • 192.168.2.200
  • www.gleneclarke.com
  • COMPUTER1
  • 00-AB-0F-2B-3C-4E

Question 19

Question
You are troubleshooting communication to a network by looking at the link light on the switch. What layer of the OSI model are you troubleshooting when looking at a link light?
Answer
  • Application
  • Physical
  • Network
  • Data link

Question 20

Question
What layer of the OSI model is responsible for breaking the data into smaller segments?
Answer
  • Data link
  • Physical
  • Network
  • Transport

Question 21

Question
Which of the following is considered a layer-3 address?
Answer
  • 192.168.2.200
  • www.gleneclarke.com
  • COMPUTER1
  • 00-AB-0F-2B-3C-4E

Question 22

Question
What layer of the OSI model is responsible for routing and logical addressing?
Answer
  • Network
  • Physical
  • Data link
  • Transport

Question 23

Question
Which of the following are considered layer-2 devices? (Choose two.)
Answer
  • Bridge
  • Router
  • Repeater
  • Switch
  • Hub

Question 24

Question
Which of the following are considered layer-1 devices? (Choose two.)
Answer
  • Bridge
  • Router
  • Repeater
  • Switch
  • Hub

Question 25

Question
What is the application layer protocol for delivering e-mail across the Internet?
Answer
  • FTP
  • SNMP
  • SMTP
  • POP3

Question 26

Question
Which layer of the OSI model works with packets?
Answer
  • Layer 1
  • Layer 2
  • Layer 3
  • Layer 4

Question 27

Question
What is the application layer protocol for receiving e-mail over the Internet?
Answer
  • FTP
  • SMTP
  • SNMP
  • POP3

Question 28

Question
Which Gigabit Ethernet standard uses UTP cabling to reach 1000 Mbps?
Answer
  • 1000BaseTX
  • 1000BaseSX
  • 1000BaseCX
  • 1000BaseLX

Question 29

Question
Which 10 Gigabit Ethernet standard uses multimode fiber-optic cabling?
Answer
  • 10GBaseLR
  • 10GBaseER
  • 10GBaseSR
  • 1000BaseSX

Question 30

Question
Which of the following addresses does a router use to determine where a packet needs to be delivered? (Choose two.)
Answer
  • 24.56.78.10
  • 00-3B-4C-2B-00-AF
  • A layer-3 address
  • A layer-2 address

Question 31

Question
Which layer of the OSI model works with frames?
Answer
  • Layer 1
  • Layer 2
  • Layer 3
  • Layer 4

Question 32

Question
What type of cable would you use if you wanted to connect a system to an RJ-45 port on a switch?
Answer
  • Fiber
  • Crossover
  • Straight-through
  • Thinnet

Question 33

Question
You wish to network two systems by connecting a computer directly to another computer. Which type of cable would you use?
Answer
  • Fiber
  • Crossover
  • Straight-through
  • Thinnet

Question 34

Question
You need to create a crossover cable. What wires would you cross on one of the ends?
Answer
  • 1 and 2 with 3 and 4
  • 2 and 4 with 6 and 8
  • 2 and 4 with 5 and 6
  • 1 and 2 with 3 and 6

Question 35

Question
See figure below. You are trying to ping computer B from computer A and are unsuccessful. What is the problem?
Image:
Seleção 005 (binary/octet-stream)
Answer
  • The IP address of R1 is on the wrong subnet.
  • The default gateway setting of computer B is incorrect.
  • The default gateway setting of computer A is incorrect.
  • The cable type between the switches and routers is incorrect.
  • The IP address of R2 is on the wrong subnet.
  • The cable type between the computers and switches is incorrect.

Question 36

Question
You are testing communication to a router and have decided to connect your workstation to the Fast Ethernet port of the router. What type of cable would you use?
Answer
  • Fiber
  • Crossover
  • Straight-through
  • Thinnet

Question 37

Question
You have a UTP cable that has been configured at both ends with the 568B standard. What type of cable is it?
Answer
  • Straight-through
  • Crossover
  • Rollover
  • Coax

Question 38

Question
You wish to create a crossover cable and have wired one end of the cable with the 568A standard, What standard should you use to wire the opposite end of the cable?
Answer
  • 568B
  • 568A
  • 569B
  • 569A
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