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. HTTP Means...
The Internet router is blocking port 25.
A network map showing exactly how data moves through the network.
Hypertext transfer protocol
netstat

2. What is Broadcast Transmission?
Point-to-Point Protocol
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.
Network Access Control
netstat and ping

3. What is ARP? What are some of its attributes?
Address Resolution Protocol. Has no error control.
Internet Service Provider
Transmission Control Protocol/Internet Protocol
bytes 1-3

4. The IPSec (Internet Protocol Security) protocol suite can secure network transmissions by...
encapsulating the data payload.
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
Direct Current
This IP (Internet Protocol) address cannot be pinged remotely.

5. DC means...
Transmission Control Protocol
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.)
Direct Current
POP3

6. Which one of the following is true concerning bridges and their forwarding decisions?
HTTPS/ SSL
25
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
MultiProtocol Label Switching

7. A technician is troubleshooting a problem on a network using a utility to capture the packets. When the technician reviews the captured data they have only captured broadcast packets and packets from their own computer. What is the reason for this?
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
Basic Input/Output System
Point-to-Point Protocol
They are connected to a switch when trying to capture packets.

8. POTS means...
Primary Rate Interface
CSU / DSU (Channel Service Unit / Data Service Unit)
Plain Old Telephone Service
192.168.96.254

9. SSH Means...
Direct Current
1000BASE-LX and10 GBASE-LR
Secure Shell
Global System for Mobile Communications

10. SMB Means...
Data Link
Server Message Block OR Small-to-Midsize Business
TFTP (Trivial File Transfer Protocol)
Integrated Services digital Network

11. List the benefits of a bus topology
110
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
Internet Protocol
Easy to install - Inexpensive - Less actual cable required

12. A network administrator implements four VLANs (Virtual Local Area Network) on a switch. Which device will be required to pass traffic among the VLANs (Virtual Local Area Network)?
Internet Control Message Protocol
Light Emitting Diode
Router
IMAP (Mail Client)

13. Describe a ring topology

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14. What is CHAP?
Challenge Handshake Authentication Protocol
6
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.
There will be no Internet access.

15. On a switched Ethernet network that is operating perfectly - what is the state in which a user will find the activity LED (Light Emitting Diode)?
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)
Network Interface Card
T1 (T-Carrier Level 1).
Periodically (randomly) blinking

16. Which of the following methods transfers files with the use of a UDP (User Datagram Protocol)?
Remote Desktop Protocol
TFTP (Trivial File Transfer Protocol)
To decrease network congestion Answer: D
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.

17. 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
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
This IP (Internet Protocol) address cannot be pinged remotely.
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
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).

18. How many concurrent connections can a Windows 2000 Professional computer support on a single share?
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
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
10
23

19. A network administrator is in charge of a large corporate network containing a DNS (Domain Name Service) server - DHCP (Dynamic Host Configuration Protocol) server - and an internal web server. One particular subnet is experiencing trouble with Inter
WEP (Wired Equivalent Privacy)
Internet Protocol Security. This is the defacto standard for VPN security.
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
Network Address Translation

20. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses
D. Switch and bridge
1000BASE-LX and10 GBASE-LR
Public Switched Telephone Network
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.

21. Ten workstations numbered 1 through 10 are installed sequentially on a physical star network. The network uses a logical bus topology and is cabled using Category 3 UTP (Unshielded Twisted Pair). The cable to Workstation 3 has been severed. Which of
Remote Desktop Protocol
All workstations except Workstation 3 can communicate to each other.
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Handles the call center and call routing and can be thought of as a sophisticated network answering machine

22. A network administrator is configuring a router to support a new subnet on a TCP / IP (Transmission Control Protocol / Internet Protocol) network. The subnet uses 192.168.96.0/24. The administrators company policy is to reserve the highest IP (Intern
MT-RJ (Mechanical Transfer-Registered Jack)
192.168.96.254
Trivial File Transfer Protocol
Wireless Access Point

23. List the drawbacks of a ring topology
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
The amber light is flashing occasionally and the green light is lit steadily.
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.

24. On what Port is SSH?
22
443
Provides remote users with access to the network through modems and an IP connection
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).

25. Around noon - 802.11b wireless users near the break room have intermittent - random connections. What is the problem?
An old microwave oven is being used in the break room which causes interference with the access point.
HTTPS/ SSL
Routing Internet Protocol
raphical User Interface

26. Web Server
389
514
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
Industry Standards Organization

27. What is EAP? What is it used for?
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Network File System
22
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

28. 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?
A 2.4 GHz (Gigahertz) cordless telephone is in use.
User Datagram Protocol
111
NFS (Network File System)

29. 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?
Trivial File Transfer Protocol
The device ID (Identification)
netstat and ping
The Internet router is blocking port 25.

30. Which protocol could be used by a VPN (Virtual Private Network)?
802.2
Quality of Service
Wireless Access Point
PPTP (Point-to-Point Tunneling Protocol)

31. 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
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
DNS
Peer-To-Peer and Client-Server
Multipurpose Internet Mail Extension

32. What is Multicast Transmission?
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.
25
A. 18 -000 feet (5 -486.4 meters)
3389

33. Disk mirroring is also known as RAID ___...
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
25
User Datagram Protocol
1

34. IP means...
Basic Rate Interface
Media Access Unit - Media attachment Unit
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
Internet Protocol

35. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
Trivial File Transfer Protocol
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Verification
Stores and dispenses files

36. PRI Means...
143
Secure Sockets Layer
Primary Rate Interface
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network

37. Which networking device works at the upper three layers of the OSI (Open Systems Interconnect) and connects networks with different architectures?
Basic Input/Output System
Gateway
BootP (Boot Protocol)
User Datagram Protocol. This protocol is connectionless and routable.

38. A user complains that they can no longer access resources on the network. The user is unable to ping other nodes and ipconfig returns an IP (Internet Protocol) address that is not in the correct subnet. What is the problem?
Asynchronous Transfer Mode
WINS (Windows Internet Name Service)
Fully Qualified Domain Name
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

39. Which one of the following servers provides web caching services?
encapsulating the data payload.
Proxy
Sys Log (Unix) or Event Manager (Windows)
Application

40. RDP means...
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Remote Desktop Protocol
Transport
Windows Internet Name Service

41. On what Port is IMAP?
143
Hypertext transfer protocol over secure sockets layer.
Hypertext transfer protocol
Internet Control Message Protocol

42. NTFS Means...
New Technology File System
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
The amber light is flashing occasionally and the green light is lit steadily.
Networked Basic Input/Output System

43. 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?
CSU / DSU (Channel Service Unit / Data Service Unit)
Network Interface Card
Any network device with an IP address
Implement VLANs (Virtual Local Area Network)

44. MAU means...
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
The file has been opened by another user and is open for read only.
Multipurpose Internet Mail Extension
Media Access Unit - Media attachment Unit

45. An Ethernet MAC (Media Access Control) address consists of...
48 bits.
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
Verification
Digital Subscriber Line

46. 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
Hypertext transfer protocol
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
PDC (Primary Domain Controller)
Reverse Address Resolution Protocol.

47. Which one of the following will affect the range of an 802.11b WAP (Wireless 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.)
They are connected to a switch when trying to capture packets.
A long length of antenna extension cable
Check the connection from the WAP (Wireless Access Point) to the network

48. ISO Means...
69
Digital Subscriber Line
Industry Standards Organization
Internet Protocol

49. A client accessing a network share folder has authenticated into the system and has full access rights to a folder share. But after opening the file they find they cannot modify the files contents. What is the likely cause?
Connect Workstation 6 and Workstation 2 using a barrel connector
All hosts can communicate.
The file has been opened by another user and is open for read only.
Transmission Control Protocol/Internet Protocol

50. SNMP Means...
135-139
128 bit addresses
Simple Network Management Protocol
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