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. What is UDP? What are some of its attributes?
An eight-position connector which uses UTP (Unshielded Twisted Pair).
3389
In the LAN (Local Area Network)
User Datagram Protocol. This protocol is connectionless and routable.

2. List the drawbacks of a bus topology

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3. 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
Internet Control Message Protocol
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths
All hosts can communicate.
This IP (Internet Protocol) address cannot be pinged remotely.

4. Which OSI (Open Systems Interconnect) layer provides interfaces to the user that enable programs to use network services?
Public Switched Telephone Network
Application
Easy to install - Inexpensive - Less actual cable required
Point-to-Point Tunneling Protocol

5. On what Port is SNMP?
PPP (Point-to-Point Protocol)
The 'memo maker' that sends and receives paperless faxes over the network
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
161 & 162

6. In a fully Meshed network - every node has a connection to every other node - 7+6+5+4+3+2+1=28 Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
Networked Basic Input/Output System Extended User Interface
CSU / DSU (Channel Service Unit / Data Service Unit)
Firewall
Any device on the network that can ask for access to resources

7. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has the shortest maximum distance?
169.254.1.1
IMAP (Mail Client)
1000BASE-CX
Bridge

8. 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?
PPTP (Point-to-Point Tunneling Protocol)
10 GBASE-LR
Electromagnetic Interference
The users will not be affected by the change.

9. 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
DNS (Domain Name Service) server settings
Global System for Mobile Communications
PDC (Primary Domain Controller)
192.168.96.254

10. What is on Port 143?
Hybrid hub
Bridge
CSU / DSU (Channel Service Unit / Data Service Unit)
IMAP (Mail Client)

11. While reviewing network traffic statistics - technicians have noticed that there is an abnormally high amount of DNS (Domain Name Service) traffic. What recommendation would help reduce traffic?
Proxy server
larger subnet masks.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
Hypertext transfer protocol

12. DNS means...
passing a username and password in plaintext.
Bluetooth enabled cell phones
Transport
Domain Name Service OR Domain Name Server

13. 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?
PPTP (Point-to-Point Tunneling Protocol)
Wireless Protected Access
All hosts can communicate.
MAC (Media Access Control) address

14. A facility designed to receive computer equipment during a disaster recovery is known as a...
cold site.
Packets from entering and leaving a network
Transmission Control Protocol
Extranet

15. ISDN means...
Lightweight Directory Access Protocol
Integrated Services digital Network
Wireless Access Point
To decrease network congestion Answer: D

16. 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.
Digital Subscriber Line
Manages printers on the network
These are the FTP ports. Port 20 handles data and Port 21 provides control.

17. TCP/IP Means;
MT-RJ (Mechanical Transfer-Registered Jack)
Transmission Control Protocol/Internet Protocol
The file has been opened by another user and is open for read only.
New Technology File System

18. List the benefits of a bus topology
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Easy to install - Inexpensive - Less actual cable required
Public Key Infrastructure
Local Area Network

19. DHCP means...
Dynamic Host Configuration Protocol
raphical User Interface
SSH
22

20. Describe a star topology
Physical
Transport
Light Emitting Diode
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

21. PAP (Password Authentication Protocol) secures PPP (Point-to-Point Protocol) sessions by...
Digital Subscriber Line
passing a username and password in plaintext.
Token passing
Wireless Fidelity

22. A rogue residential gateway has been installed in a network. It is running DHCP (Dynamic Host Configuration Protocol). If the computers have static IP (Internet Protocol) addresses assigned - what problems might exist on the network?
There will be no Internet access.
CSU / DSU (Channel Service Unit / Data Service Unit)
CSU / DSU (Channel Service Unit / Data Service Unit)
Central Processing unit

23. MAC Means...
Media Access Control
File Transfer Protocol
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
10 GBASE-LR

24. SMB Means...
Stores and dispenses files
Any network device with an IP address
Server Message Block OR Small-to-Midsize Business
Port Address Translator

25. Which protocol is used for error reporting in concert with the IP protocol?
Internetwork packet exchange
ICMP (Internet Control Message Protocol)
Simple Network Management Protocol
Periodically (randomly) blinking

26. What is CHAP?
Challenge Handshake Authentication Protocol
HTTPS/ SSL
Port Address Translator
An exact duplicate of the infrastructure is mirrored offsite.

27. LED Means...
Light Emitting Diode
rp
Post Office Protocol 3
Media Access Control

28. Which one of the following options is a security standard for 802.11?
BootP (Boot Protocol)
WEP (Wired Equivalent Privacy)
192.168.96.254
All workstations except Workstation 3 can communicate to each other.

29. 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)?
Periodically (randomly) blinking
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Point to Point Tunneling Protocol
3.1

30. How many concurrent connections can a Windows 2000 Professional computer support on a single share?
Media Access Unit - Media attachment Unit
10
8080
CSU / DSU (Channel Service Unit / Data Service Unit)

31. 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.
Internet Protocol
Connect Workstation 6 and Workstation 2 using a barrel connector
100BASE-FX Answer: D

32. What is on Port 514?
HTTP
2
Sys Log (Unix) or Event Manager (Windows)
192.168.96.254

33. IDS means...
Intrusion Detection System
Local Area Network
A long length of antenna extension cable
passing a username and password in plaintext.

34. A new intranet web server has been installed for a company. The clients access the intranet server by its DNS (Domain Name Service) name. To automatically change the clients to connect to the new server - an administrator modifies the DNS (Domain Nam
Proxy Server
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
3389
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

35. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
A long length of antenna extension cable
CSU / DSU (Channel Service Unit / Data Service Unit)
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
161 & 162

36. Given the following output - which utility was used? Default Server: bigserver.datacenter.com Address: 4.12.18.1
Windows Internet Name Service
389
nslookup
NFS (Network File System)

37. MAN Means...
VPN (Virtual Private Network)
Metropolitan Area Network
Internet Information Services
802.11

38. GUI means
raphical User Interface
Network Interface Card
HTTP
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

39. NetBIOS Means...
netstat
Transmission Control Protocol
It is an address assigned to a NIC (Network Interface Card).
Networked Basic Input/Output System

40. Network
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
100 Mbps (Megabits per second)
netstat and ping
Two or more connected computers that can share resources

41. A network administrator adds a router to create a new subnet. Which of the following network services requires configuration to accommodate NetBIOS (Network Basic Input / Output System) on the new network?
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
WINS (Windows Internet Name Service)
Internet Protocol
They are connected to a switch when trying to capture packets.

42. The 802.11 frequency band is...
2.4 GHz (Gigahertz).
22
Routing Internet Protocol
Port 20 must also be unblocked.

43. Upon which devices can NAT (Network Address Translation) be used?
SMB (Server Message Block)
Firewall
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
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)

44. TFTP Means...
Trivial File Transfer Protocol
NFS (Network File System)
IMAP (Mail Client)
Media Access Unit - Media attachment Unit

45. BNC Means...
There will be no Internet access.
Bayonet-Neill-Concelman or British Naval Connector
A. 18 -000 feet (5 -486.4 meters)
Routing Internet Protocol

46. Web Server
The Internet router is blocking port 25.
Wireless Protected Access
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
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages

47. On what Port is TFTP?
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
Telnet
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
69

48. 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?
Manages printers on the network
The file has been opened by another user and is open for read only.
HTTPS/ SSL
Provides remote users with access to the network through modems and an IP connection

49. Telephony Server
In the LAN (Local Area Network)
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
cold site.

50. WLAN Means...
Easy to install - Inexpensive - Less actual cable required
Wireless LAN
passing a username and password in plaintext.
The amber light is flashing occasionally and the green light is lit steadily.