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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. What is on Ports 135-139?
NetBios
Wireless Fidelity
Networked Basic Input/Output System Extended User Interface
Post Office Protocol 3

2. An administrator has been called to consult on a network. After receiving network traffic statistics - the administrator notices that there is an abnormally high amount of DHCP (Dynamic Host Configuration Protocol) traffic. What recommendation would
Access Control List
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
Handles e-mail functions
RJ-11 (Registered Jack)

3. Remote Access Server
Provides remote users with access to the network through modems and an IP connection
Routing Internet Protocol
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Transmission Control Protocol/Internet Protocol

4. 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?
802.2
Hybrid hub
Network and Transport
They get their name because they truly are 'at the service' of the network and run specialized software for the network's maintenance and control known as the network operating system. Sometimes servers have more than one job. But whether servers are

5. A user is booting a workstation and suddenly receives a message stating that a duplicate IP (Internet Protocol) address is in use on the network. Which of the following commands can be used to troubleshoot the problem?
Access Control List
rp
443
Wireless Fidelity

6. Which of the following is used to translate NetBIOS (Network Basic Input / Output System) names
They are connected to a switch when trying to capture packets.
File Transfer Protocol
WINS (Windows Internet Name Service)
Uniform Resource Locator

7. A network administrator needs to verify that the SMTP (Simple Mail Transfer Protocol) service is running on a particular server. On what port number should a Telnet session be established?
Data Link
In a locked room in an offsite location
Internetwork packet exchange
25

8. On what Port is HTTP?
Internetwork Packet Exchange/Sequenced Packet Exchange
80
The 'memo maker' that sends and receives paperless faxes over the network
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.

9. A star network that uses several cable types must use which hub type in order to accommodate all client machines?
New Technology File System
rlogin
Simple Network Management Protocol
Hybrid hub

10. Which of the following choices describes an RJ-45 (Registered Jack) connector?
Wireless Access Point
Public Switched Telephone Network
An eight-position connector which uses UTP (Unshielded Twisted Pair).
There will be no Internet access.

11. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
gateway.
802.11a.
Post Office Protocol 3
A long length of antenna extension cable

12. The IPSec (Internet Protocol Security) protocol suite can secure network transmissions by...
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
111
Server Message Block OR Small-to-Midsize Business
encapsulating the data payload.

13. DOS means...
An exact duplicate of the infrastructure is mirrored offsite.
Disk Operating System or Denial of Service
There will be no Internet access.
To decrease network congestion Answer: D

14. What is CHAP?
CSU / DSU (Channel Service Unit / Data Service Unit)
Challenge Handshake Authentication Protocol
Select the most probable cause
An old microwave oven is being used in the break room which causes interference with the access point.

15. 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
192.168.96.254
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
All hosts can communicate.

16. ATM Means...
Transmission Control Protocol
traceroute
Point-to-Point Tunneling Protocol
Asynchronous Transfer Mode

17. GUI means
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
To decrease network congestion Answer: D
Global System for Mobile Communications
raphical User Interface

18. What is on Port 80?
Uniform Resource Locator
Local Area Network
HTTP
Port 20 must also be unblocked.

19. A packet filtering firewall operates at which layers of the OSI (Open Systems Interconnect) model?
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Network and Transport
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network
A 2.4 GHz (Gigahertz) cordless telephone is in use.

20. Which one of the following standards has a maximum data rate of 11 Mbps (Megabits per second)?
Internet connection
802.11b
Public Switched Telephone Network
There will be no Internet access.

21. What is PPP?
Point to Point Protocol
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
Quality of Service
Digital Subscriber Line

22. NFS Means...
They get their name because they truly are 'at the service' of the network and run specialized software for the network's maintenance and control known as the network operating system. Sometimes servers have more than one job. But whether servers are
In a locked room in an offsite location
Point-to-Point Protocol
Network File System

23. A small company connected to the Internet through a SOHO (Small Office / Home Office) router wants to make an internal web server public on the Internet. Computers on the LAN can access the web pages but Internet users cannot. What should be done to
There will be no Internet access.
Post Office Protocol
40 bit - 128 bit - 64 bit
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.

24. Which protocol is used for error reporting in concert with the IP protocol?
CSU / DSU (Channel Service Unit / Data Service Unit)
Address Resolution Protocol. Has no error control.
ICMP (Internet Control Message Protocol)
Network Address Translator

25. A user has set up filtering on an Internet router. The local SMTP (Simple Mail Transfer Protocol) server has stopped sending or receiving messages from the Internet. What is the cause of the problem?
Server Message Block OR Small-to-Midsize Business
Handles e-mail functions
The Internet router is blocking port 25.
72.16.16.1

26. List the drawbacks of a star topology
Dynamic Host Configuration Protocol - a network service that assigns IP addresses to clients. Should remember that it uses scopes to manage any excluded/ static IP addresses.
Initial installation cost may be higher - One central single point of failure (the hub or other device)
169.254.1.1
SSH

27. Given the output: 1.pgw (129.6.80.254) * 4ms 3ms 2.129.6.1.245 (129.6.1.245) 4ms 3ms * 3.129.6.2.252 (129.6.2.252) 5ms 5ms 4ms Which of the following commands causes the results above?
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
Bluetooth enabled cell phones
All workstations except Workstation 3 can communicate to each other.
traceroute

28. What is TCP?
Transmission Control Protocol
This IP (Internet Protocol) address cannot be pinged remotely.
Packets from entering and leaving a network
DNS

29. What is UDP? What are some of its attributes?
User Datagram Protocol. This protocol is connectionless and routable.
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.
A 2.4 GHz (Gigahertz) cordless telephone is in use.
135-139

30. FQDN means...
69
SSH
Fully Qualified Domain Name
Network Time Protocol

31. Which one of the following options is a security standard for 802.11?
8080
Transmission Control Protocol
WEP (Wired Equivalent Privacy)
Proxy

32. All of the following options transmit data over a modem EXCEPT...
Multipurpose Internet Mail Extension
T1 (T-Carrier Level 1).
Hypertext transfer protocol over secure sockets layer.
Media Access Control

33. SSL Means...
Handles tasks in the place of other machines on the network
Secure Sockets Layer
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Uniform Resource Locator

34. On what Port is Sys Log/ Event Manager?
514
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
Internet Information Services
Presentation

35. Which one of the following servers provides web caching services?
Proxy
514
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).
1000BASE-CX

36. An administrator changes the lease time of the DHCP (Dynamic Host Configuration Protocol) scope from one week to one day. What affect will this have on the end users?
netstat
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
The users will not be affected by the change.
the NIC (Network Interface Card) is bad.

37. Which OSI (Open Systems Interconnect) layer provides interfaces to the user that enable programs to use network services?
Point to Point Protocol
Network Access Control
Application
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).

38. What is PAP?
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).
Password Authentication Protocol
A network map showing exactly how data moves through the network.
MultiProtocol Label Switching

39. TCP/IP Means;
Transmission Control Protocol/Internet Protocol
WEP (Wired Equivalent Privacy)
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Router

40. PPTP Means...
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)
Alternating Current
CSU / DSU (Channel Service Unit / Data Service Unit)
Point-to-Point Tunneling Protocol

41. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
Global System for Mobile Communications
802.11
Check the connection from the WAP (Wireless Access Point) to the network
An eight-position connector which uses UTP (Unshielded Twisted Pair).

42. A network has grown to include seventy 24 port Ethernet switches and has decreased in performance steadily as new switches are added. What adjustments can be made to the infrastructure to improve the performance?
Implement VLANs (Virtual Local Area Network)
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.
110
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

43. MIME means...
Exterior Gateway Protocol
Multipurpose Internet Mail Extension
Bayonet-Neill-Concelman or British Naval Connector
Hypertext Markup Language

44. 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
Plain Old Telephone Service
gateway.
Port 20 must also be unblocked.
Any device on the network that can ask for access to resources

45. What is DHCP? What is its key attribute?
Dynamic Host Configuration Protocol - a network service that assigns IP addresses to clients. Should remember that it uses scopes to manage any excluded/ static IP addresses.
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.
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).
netstat and ping

46. Physical Topology
A network map defining the specific characteristics of a network such as where workstations and other devices are located and the arrangement of all the physical media such as cables.
Hypertext transfer protocol over secure sockets layer.
Forward the packets to all ports except the one that originated the request
D. Switch and bridge

47. POTS means...
128 bit addresses
Plain Old Telephone Service
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
20 & 21

48. Which one of the following will affect the range of an 802.11b WAP (Wireless Access Point)?
larger subnet masks.
rp
Network News Transfer Protocol
A long length of antenna extension cable

49. 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?
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
110
Point to Point Tunneling Protocol
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes

50. Which protocol is the fastest file transfer protocol?
Bayonet-Neill-Concelman or British Naval Connector
TFTP (Trivial File Transfer Protocol)
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid