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. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
Uniform Resource Locator
802.11a.
169.254.1.1
the NIC (Network Interface Card) is bad.

2. Describe a bus topology
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
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
2
ping

3. List the benefits of a star topology

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4. A workstation presents an error message to a user. The message states that 'Duplicate IP (Internet Protocol) has been detected on the network.' After establishing what has changed in the network - what should be the NEXT step using the standard troub
Central Processing unit
Basic Rate Interface
Select the most probable cause
Client - protocol - and adapter

5. 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?
3.1
Implement VLANs (Virtual Local Area Network)
Point-to-Point Protocol
To decrease network congestion Answer: D

6. 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
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.
Periodically (randomly) blinking
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.
Domain Name Service OR Domain Name Server

7. NetBIOS Means...
Telnet
Network Time Protocol
Networked Basic Input/Output System
Point-to-Point Protocol

8. What is on Port 514?
In the LAN (Local Area Network)
In a locked room in an offsite location
Sys Log (Unix) or Event Manager (Windows)
MultiProtocol Label Switching

9. FDDI (Fiber Distributed Data Interface) operates at what speed?
100 Mbps (Megabits per second)
Gateway
Direct Current
Internet Protocol

10. Examples of valid WEP (Wired Equivalent Privacy) key lengths
40 bit - 128 bit - 64 bit
2
Transmission Control Protocol/Internet Protocol
Initial installation cost may be higher - One central single point of failure (the hub or other device)

11. What is IP?
To decrease network congestion Answer: D
DNS
Internet Protocol
Alternating Current

12. ICMP means...
Internet Control Message Protocol
Any network device with an IP address
TFTP (Trivial File Transfer Protocol)
rlogin

13. Telephony Server
nslookup
Network Address Translation
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
25

14. AC means...
cold site.
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
SMB (Server Message Block)
Alternating Current

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
Internet Protocol Security. This is the defacto standard for VPN security.
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Gateway
SQL Server

16. List the drawbacks of a star topology
10
Wireless Protected Access
Initial installation cost may be higher - One central single point of failure (the hub or other device)
cold site.

17. On what Port is POP3?
110
Network News Transfer Protocol
Point to Point Protocol
Digital Subscriber Line

18. An 802.11a/b/g access point is installed in a computer lab. An administrator has a client that is based on 802.11g technology. There are times when the client slows or stops working entirely. What is the cause of the problem?
802.11i
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
Media Access Unit - Media attachment Unit

19. What part of an Ethernet MAC (Media Access Control) address designates the manufacturer of the NIC (Network Interface Card)?
Public Key Infrastructure
Reverse Address Resolution Protocol.
bytes 1-3
Internet connection

20. Which one of the following will interfere with an IEEE (Institute of Electrical and Electronics Engineers) 802.11b access point?
Bus
Bluetooth enabled cell phones
8080
128 bit addresses

21. This is not a valid IP (Internet Protocol) addresses
Hybrid hub
172.192.4.256
Intrusion Detection System
Any device on the network that can ask for access to resources

22. A technician just installed a new NIC (Network Interface Card) in a computer and attached a cable to connect the computer to a hub. Assuming the NIC (Network Interface Card) is functioning correctly and the network is up - which of the following will
Networked Basic Input/Output System Extended User Interface
The amber light is flashing occasionally and the green light is lit steadily.
All hosts can communicate.
Packets from entering and leaving a network

23. A small office network with ten computers uses a cable modem and router to connect to the Internet and distribute services to clients. After several weeks of use - the routers collision LED (Light Emitting Diode) has begun to stay on permanently. Wha
Quality of Service
Fully Qualified Domain Name
Bayonet-Neill-Concelman or British Naval Connector
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.

24. On what Port is SNMP?
Remote Desktop Protocol
802.11
161 & 162
Port 20 must also be unblocked.

25. Which protocol does a diskless workstation use to obtain a network address?
CSU / DSU (Channel Service Unit / Data Service Unit)
Internetwork packet exchange
Application
BootP (Boot Protocol)

26. An employee needs to access the internal secure company web site from a hotel. The employee will need which of the following connections?
Connect Workstation 6 and Workstation 2 using a barrel connector
An exact duplicate of the infrastructure is mirrored offsite.
Peer-To-Peer and Client-Server
Internet connection

27. TDR means...
Time domain reflectometer
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)
PDC (Primary Domain Controller)
Point-to-Point Tunneling Protocol

28. 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
Handles tasks in the place of other machines on the network
53
User Datagram Protocol
Time domain reflectometer

29. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
Port Address Translator
bytes 1-3
CSU / DSU (Channel Service Unit / Data Service Unit)
Internet connection

30. What is on Port 23?
Telnet
Public Key Infrastructure
They are connected to a switch when trying to capture packets.
ping

31. A WINS (Windows Internet Name Service) network administrator has disabled DNS (Domain Name Service) for security reasons. Users have lost the ability to access remote network shares named ournetworkshares and ourprivateshares. How can this be resolve
550 meters (1 -804.46 feet)
rlogin
Network News Transfer Protocol
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths

32. IPX/SPX means...
HTTPS/ SSL
Internetwork Packet Exchange/Sequenced Packet Exchange
The Internet router is blocking port 25.
Packets from entering and leaving a network

33. Which dial-up protocol is capable of passing multiple LAN (Local Area Network) protocols across the wire?
111
Server Message Block OR Small-to-Midsize Business
PPP (Point-to-Point Protocol)
Alternating Current

34. A facility designed to receive computer equipment during a disaster recovery is known as a...
cold site.
Point to Point Protocol
48 bits.
Internet Service Provider

35. Proxy Server
1433
1000BASE-CX
Handles tasks in the place of other machines on the network
CSU / DSU (Channel Service Unit / Data Service Unit)

36. On what Port is FTP?
20 & 21
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
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

37. 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?
Manages network applications
Challenge Handshake Authentication Protocol
Switches - bridges - and NICs (Network Interface Card)
ICMP (Internet Control Message Protocol)

38. What is PAT?
Basic Input/Output System
raphical User Interface
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
Port Address Translator

39. Name the seven most common physical topologies
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).
Transmission Control Protocol/Internet Protocol
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
Internet Information Services

40. Network
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Two or more connected computers that can share resources
Wireless Protected Access
172.192.4.256

41. A home user has been assigned one static IP (Internet Protocol) address. If the user wishes to use the 192.168.0.1 address range - what technology should the user implement?
Transmission Control Protocol/Internet Protocol
In the LAN (Local Area Network)
Proxy server
Manages printers on the network

42. 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
Challenge Handshake Authentication Protocol
1
Internet connection
Port 20 must also be unblocked.

43. NFS Means...
CSU / DSU (Channel Service Unit / Data Service Unit)
Any device on the network that can ask for access to resources
53
Network File System

44. What is on Ports 135-139?
Token passing
It is an address assigned to a NIC (Network Interface Card).
NetBios
Hypertext Markup Language

45. On what Port is TFTP?
10 GBASE-LR
Secure Sockets Layer
Authentication
69

46. 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?
10 GBASE-LR
80
traceroute
PPP (Point-to-Point Protocol)

47. A network technician is troubleshooting a remote home users computer that is behind a SOHO (Small Office / Home Office) router running NAT (Network Address Translation). The technician wants to ping the IP (Internet Protocol) address of the remote us
TFTP (Trivial File Transfer Protocol)
Client - protocol - and adapter
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
This IP (Internet Protocol) address cannot be pinged remotely.

48. What is on Port 3389?
RDP/ Terminal Services
In a locked room in an offsite location
Bus
SMTP Server

49. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) fiber optic standard?
SMB (Server Message Block)
10 GBASE-LR
Basic Rate Interface
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths

50. Application Server
Manages network applications
Port 161 is SNMP and Port 162 is the SNMP Manager
Network Time Protocol
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network