Test your basic knowledge |

Comptia Network +

Subjects : certifications, comptia-network-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Which one of the following is a purpose for subnetting?
CSU / DSU (Channel Service Unit / Data Service Unit)
Hybrid hub
To decrease network congestion Answer: D
netstat and ping

2. Which IEEE (Institute of Electrical and Electronics Engineers) 802.x standard defines the operation of the LLC (Logical Link Control) sublayer of the OSI (Open Systems Interconnect) models Data Link layer?
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Alternating Current
802.2
Two or more connected computers that can share resources

3. Network
SMTP Server
Two or more connected computers that can share resources
Connect Workstation 6 and Workstation 2 using a barrel connector
Internet Protocol Security

4. A network has been set up for DHCP (Dynamic Host Configuration Protocol) services using a PDC (Primary Domain Controller) and BDC (Backup Domain Controller) each with a range of 192.168.0.1 to192.168.0.254 using a class subnet of 255.255.255.0. DHCP
Computers are connected to one central point w/ their own individual cables or wireless connections. This topology offers advantages over the bus topology and is used more often despite having more physical requirements than the bus topology. Benefit
Split the scope addresses between the servers assigning 192.168.0.1 through 192.168.0.127 for the PDC (Primary Domain Controller) and 192.168.0.128 through 192.168.0.254 for the BDC (Backup Domain Controller).
CSU / DSU (Channel Service Unit / Data Service Unit)
The amber light is flashing occasionally and the green light is lit steadily.

5. What is on Port 53?
Make certain the web site has an external DNS (Domain Name Service) name and a public IP address - and that port 80 is open on the router.
Presentation
DNS
A network map showing exactly how data moves through the network.

6. Which one of the following options is a security standard for 802.11?
Global System for Mobile Communications
All hosts can communicate.
WEP (Wired Equivalent Privacy)
3389

7. WLAN Means...
Each computer is directly connected to other computers in the same network and data flows in a circle shape from computer to computer and eventually back to the source. This topology isn't very popular because it's not easily scalable and the cable r
Wireless LAN
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
WEP (Wired Equivalent Privacy)

8. What is RARP?
Reverse Address Resolution Protocol.
802.11i
Multipurpose Internet Mail Extension
Digital Subscriber Line

9. On what Port is HTTP?
Light Emitting Diode
Handles tasks in the place of other machines on the network
80
Token passing

10. A valid MAC (Media Access Control) address is how many bytes long?
6
3389
Routing Internet Protocol
DNS (Domain Name Service) server settings

11. Fax Server

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12. Wi-Fi Means...
Internet connection
Plain Old Telephone Service
Wireless Fidelity
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant

13. On what Port is IMAP?
SUN RPC
Data Link
Point-to-Point Protocol
143

14. Which networking device works at the upper three layers of the OSI (Open Systems Interconnect) and connects networks with different architectures?
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Gateway
Connect Workstation 6 and Workstation 2 using a barrel connector
CSU / DSU (Channel Service Unit / Data Service Unit)

15. What is PAT?
netstat and ping
Networked Basic Input/Output System Extended User Interface
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
Port Address Translator

16. A facility designed to receive computer equipment during a disaster recovery is known as a...
110
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
cold site.
TFTP (Trivial File Transfer Protocol)

17. Which one of the following devices connects a network segment to a public telephone network?
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
traceroute
CSU / DSU (Channel Service Unit / Data Service Unit)
Peer-To-Peer and Client-Server

18. A network administrator is troubleshooting a wireless LAN (Local Area Network) that is experiencing trouble with interference. A scan of the wireless network reports that there are two WAPs (Wireless Access Point) from different companies within rang
Usually restricted to spanning a particular geographic location such as an office building - a single department within a corporate office - or even a home office)
Consists of two distinct and terminated ends with each computer connected to one unbroken cable running its entire length. All of the computers can see all of the data flowing through but the only one computer the data is addressed to will actually g
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
MAC (Media Access Control) address

19. What is the mechanism a DHCP (Dynamic Host Configuration Protocol) server uses to track which IP (Internet Protocol) address is assigned to a particular computer?
To decrease network congestion Answer: D
MAC (Media Access Control) address
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths
Internet Control Message Protocol

20. UDP Means...
Two or more connected computers that can share resources
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
User Datagram Protocol
Port 161 is SNMP and Port 162 is the SNMP Manager

21. List the benefits of a star topology

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22. A user is trying to access a FTP (File Transfer Protocol) server but discovers that FTP (File Transfer Protocol) is being blocked by a firewall. After unblocking port 21 on the firewall - FTP (File Transfer Protocol) still does not work. What is the
Windows Internet Name Service
Port 20 must also be unblocked.
Bayonet-Neill-Concelman or British Naval Connector
Asynchronous Transfer Mode

23. Which of the following options allows for secure communication over the Internet?
VPN (Virtual Private Network)
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
1000BASE-CX

24. What is PPTP?
Point to Point Tunneling Protocol
Basic Input/Output System
Port 161 is SNMP and Port 162 is the SNMP Manager
Stores and dispenses files

25. An administrator is unsuccessful when attempting to ping a network device on a remote site with a firewall in between. In order for the administrator to be successful - what protocol needs to be allowed through the firewall?
WINS (Windows Internet Name Service)
Network Address Translator
POP3
ICMP (Internet Control Message Protocol)

26. The system administrator performs full backups on Sundays. Incremental backups are performed every day EXCEPT Sunday. The backups start at 10 a.m. and end by 12 p.m. The system crashes on Wednesday night. Which tapes must be used to restore data?
An old microwave oven is being used in the break room which causes interference with the access point.
6
Global Positioning System
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes

27. Which protocol is the fastest file transfer protocol?
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
TFTP (Trivial File Transfer Protocol)
D. Switch and bridge
Bayonet-Neill-Concelman or British Naval Connector

28. What is IP?
Internet Protocol
135-139
Internet Protocol Security
The analyzer is functioning properly.

29. IIS Means...
Transmission Control Protocol/Internet Protocol
Internet Information Services
Public Switched Telephone Network
TFTP (Trivial File Transfer Protocol)

30. POP3 Means...
Post Office Protocol 3
110
100BASE-FX Answer: D
Network Interface Card

31. In which OSI (Open Systems Interconnect) layer does a bridge operate?
Institute of Electrical and Electronics Engineers
Data Link
Routing Information Protocol
User Datagram Protocol

32. List the drawbacks of a bus topology

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33. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses
1000BASE-LX and10 GBASE-LR
135-139
Periodically (randomly) blinking
Bluetooth enabled cell phones

34. What is on Port 69?
110
Network Access Control
In the LAN (Local Area Network)
TFTP (Trivial File Transfer Protocol)

35. On what Port is POP3?
110
A transmission method in which data goes form a source node to all other nodes on a network. Each node receives the data and acts on it - which can generate a great deal of network traffic.
Post Office Protocol
802.11b

36. Which two utilities can be used to find out what IP (Internet Protocol) address resolves from a domain name?
72.16.16.1
netstat and ping
A transmission method in which data is sent from a server to specific nodes that are defined as members of a multicast group. Network nodes not in the group ignore the data.
Point to Point Tunneling Protocol

37. What is ARP? What are some of its attributes?
Internet Protocol Security
The 'memo maker' that sends and receives paperless faxes over the network
Address Resolution Protocol. Has no error control.
443

38. What is on Port 111?
SUN RPC
Quality of Service
There will be no Internet access.
100 Mbps (Megabits per second)

39. A network administrator is troubleshooting connectivity from a client machine. An error message that reads 'Page Cannot be Displayed' is shown in the browser whenever a FQDN (Fully Qualified Domain Name) is typed in the address bar. However - if the
53
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
Telnet
Institute of Electrical and Electronics Engineers

40. Which of the following is used to translate NetBIOS (Network Basic Input / Output System) names
Central Processing unit
Internet Protocol Security
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
WINS (Windows Internet Name Service)

41. MLI Means...
Trivial File Transfer Protocol
PPTP (Point-to-Point Tunneling Protocol)
Multiple Link Interface
BootP (Boot Protocol)

42. PSTN Means...
Public Switched Telephone Network
Alternating Current
Wireless Fidelity
Handles the call center and call routing and can be thought of as a sophisticated network answering machine

43. List the drawbacks of a star topology
169.254.1.1
443
Initial installation cost may be higher - One central single point of failure (the hub or other device)
Domain Name Service OR Domain Name Server

44. Given the following output - which utility was used? Default Server: bigserver.datacenter.com Address: 4.12.18.1
Run more than one central processing unit (CPU) and whose resources are available to other users on the network to access when needed. Something this powerful is typically referred to only as a server today. Don't confuse workstations with client mac
Data Link
L2TP (Layer 2 Tunneling Protocol)
nslookup

45. Which of the following methods transfers files with the use of a UDP (User Datagram Protocol)?
A network's physical topology gives you the lay of the land and the logical topology illustrates how the signals and data travel throughout the layout.
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
TFTP (Trivial File Transfer Protocol)
Central Processing unit

46. What is on Ports 135-139?
Hypertext transfer protocol
Plain Old Telephone Service
NetBios
Network Address Translator

47. On what Port is Telnet?
Open Source Path First - this is a routing protocol
Dynamic Host Configuration Protocol
Point to Point Protocol
23

48. What is TCP?
802.2
In the LAN (Local Area Network)
Basic Input/Output System
Transmission Control Protocol

49. MAN Means...
Metropolitan Area Network
20 & 21
Electromagnetic Interference
Windows Internet Name Service

50. Which one of the following will interfere with an IEEE (Institute of Electrical and Electronics Engineers) 802.11b access point?
A transmission method in which data is transferred from a specific source address to a specific destination address. (Network nodes not involved in the transfer ignor the transmission.)
T1 (T-Carrier Level 1).
Simple Network Management Protocol
Bluetooth enabled cell phones