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 an IEEE (Institute of Electrical and Electronics Engineers) fiber optic standard?
10 GBASE-LR
Internet connection
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.
The device ID (Identification)

2. 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?
MAC (Media Access Control) address
802.1x
Point-to-Point Protocol
802.11i

3. Wi-Fi Means...
Wireless Fidelity
An eight-position connector which uses UTP (Unshielded Twisted Pair).
PPP (Point-to-Point Protocol)
Application

4. SNMP Means...
Simple Network Management 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.
MT-RJ (Mechanical Transfer-Registered Jack)
Internet connection

5. SSH Means...
ifconfig
Sys Log (Unix) or Event Manager (Windows)
550 meters (1 -804.46 feet)
Secure Shell

6. Which of the following choices describes an RJ-45 (Registered Jack) connector?
Stores and dispenses files
Global System for Mobile Communications
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Asynchronous Transfer Mode

7. Client-Server Networks
HTTP
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
TCP / IP (Transmission Control Protocol / Internet 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.

8. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
Verification
netstat and ping
A 2.4 GHz (Gigahertz) cordless telephone is in use.
25

9. 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?
T1 (T-Carrier Level 1).
Hypertext Markup Language
Handles tasks in the place of other machines on the network
The users will not be affected by the change.

10. What is on Ports 135-139?
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Global Positioning System
NetBios
Routing Information Protocol

11. What is IPSEC? Why is it significant?
Point to Point Protocol
Internet Protocol Security. This is the defacto standard for VPN security.
HTTPS/ SSL
Secure Shell

12. ATM Means...
passing a username and password in plaintext.
The amber light is flashing occasionally and the green light is lit steadily.
Asynchronous Transfer Mode
Application

13. 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?
The Internet router is blocking port 25.
User Datagram Protocol. This protocol is connectionless and routable.
1000BASE-CX
172.192.4.256

14. NetBEUI Means...
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
Networked Basic Input/Output System Extended User Interface
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
Uniform Resource Locator

15. On what Port is Sys Log/ Event Manager?
48 bits.
Challenge Handshake Authentication Protocol
User Datagram Protocol
514

16. The IPSec (Internet Protocol Security) protocol suite can secure network transmissions by...
netstat
Networked Basic Input/Output System
Wireless Protected Access
encapsulating the data payload.

17. Describe a ring topology

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18. At which layer of the OSI (Open Systems Interconnect) model does UDP (User Datagram Protocol) reside?
Transport
802.2
Gateway
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance

19. What is on Port 25?
Presentation
TCP / IP (Transmission Control Protocol / Internet Protocol)
Windows Internet Name Service
SMTP Server

20. This is not a valid IP (Internet Protocol) addresses
2
172.192.4.256
161 & 162
Proxy server

21. All of the following options transmit data over a modem EXCEPT...
Integrated Services digital Network
T1 (T-Carrier Level 1).
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.
Reverse Address Resolution Protocol.

22. Which of the following are classified as Layer 2 devices?
Intrusion Detection System
Switches - bridges - and NICs (Network Interface Card)
Internet Service Provider
DNS (Domain Name Service) server settings

23. What is the minimum number of hard drives required to implement RAID 0 (Redundant Array of Independent Disks)?
2
All workstations except Workstation 3 can communicate to each other.
Hybrid hub
Hypertext transfer protocol over secure sockets layer.

24. A firewall can be used to prevent which of the following?
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Packets from entering and leaving a network
Port 20 must also be unblocked.
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

25. Which one of the following is a purpose for subnetting?
443
2.4 GHz (Gigahertz).
To decrease network congestion Answer: D
WINS (Windows Internet Name Service)

26. 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)?
netstat and ping
550 meters (1 -804.46 feet)
Network File System
Periodically (randomly) blinking

27. AC means...
Alternating Current
SSL (Secure Sockets Layer)
53
Industry Standards Organization

28. NAT Means...
Access Control List
Network Address Translation
Check the connection from the WAP (Wireless Access Point) to the network
Secure Shell

29. On what Port is NetBios?
135-139
Sys Log (Unix) or Event Manager (Windows)
Alternating Current
Time domain reflectometer

30. A user connects to the companys intranet server via a VPN (Virtual Private Network) connection from a SOHO (Small Office / Home Office) using the broadband service. One day - the user cannot successfully connect to the VPN (Virtual Private Network) a
Digital Subscriber Line
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
Internet Protocol
As a way to share resources and information

31. On what Port is FTP?
Router
20 & 21
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
VPN (Virtual Private Network)

32. On what Port is DNS?
Network Access Control
Secure Shell
53
Direct Current

33. What is RIP?
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
10
Routing Internet Protocol
161 & 162

34. On what Port is SUN RPC?
Gateway
111
encapsulating the data payload.
Point to Point Protocol

35. Workstations

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36. MPLS
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
PPP (Point-to-Point Protocol)
MultiProtocol Label Switching
To decrease network congestion Answer: D

37. Fax Server

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38. What is LEAP?
Internet mail access protocol
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
Bridge
Address Resolution Protocol. Has no error control.

39. IDS means...
Intrusion Detection System
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
10 GBASE-LR
Put a router between the two network segments

40. 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
Reverse Address Resolution Protocol.
VPN (Virtual Private Network)
192.168.96.254
All hosts can communicate.

41. On what Port is SQL Server?
1433
Hybrid hub
Manages network applications
Institute of Electrical and Electronics Engineers

42. What is on Port 1433?
SQL Server
Routing Information Protocol
Presentation
Internetwork Packet Exchange/Sequenced Packet Exchange

43. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has a longer maximum distance than 100 meters (328 feet)?
Hypertext transfer protocol over secure sockets layer.
Internet Control Message Protocol
2.4 GHz (Gigahertz).
100BASE-FX Answer: D

44. WLAN Means...
Wireless LAN
TFTP (Trivial File Transfer Protocol)
WINS (Windows Internet Name Service)
netstat

45. WPA Means...
Secure Shell
Wireless Protected Access
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.
Gateway

46. LED Means...
passing a username and password in plaintext.
T1 (T-Carrier Level 1).
CSU / DSU (Channel Service Unit / Data Service Unit)
Light Emitting Diode

47. Which command generated the following output? Active Connections Proto Local Address Foreign Address State TCP CompA:3006 192.168.0.2:Microsoft Established TCP CompA:3021 192.168.0.246:HTTP Established
Post Office Protocol 3
Connect Workstation 6 and Workstation 2 using a barrel connector
netstat
Time domain reflectometer

48. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
802.11a.
23
Point to Point Tunneling Protocol
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

49. List the benefits of a bus topology
ICMP (Internet Control Message Protocol)
New Technology File System
802.11a.
Easy to install - Inexpensive - Less actual cable required

50. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
CSU / DSU (Channel Service Unit / Data Service Unit)
Port 20 must also be unblocked.
MAC (Media Access Control) address
Post Office Protocol 3