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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
Internet Protocol
802.2
Global System for Mobile Communications

2. Which protocol does a diskless workstation use to obtain a network address?
BootP (Boot Protocol)
PPP (Point-to-Point Protocol)
Access Control List
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

3. What is PPP?
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.
Internetwork Packet Exchange/Sequenced Packet Exchange
TFTP (Trivial File Transfer Protocol)
Point to Point Protocol

4. What is on Port 25?
SMTP Server
Internet Protocol
WINS (Windows Internet Name Service)
Wireless Fidelity

5. What is DHCP? What is its key attribute?
raphical User Interface
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.
Global System for Mobile Communications
Bluetooth enabled cell phones

6. Which one of the following communication protocols does a UNIX system primarily rely on?
traceroute
rlogin
RJ-11 (Registered Jack)
TCP / IP (Transmission Control Protocol / Internet Protocol)

7. If a destination address is not in a bridges forwarding table - what will the bridge do?
Forward the packets to all ports except the one that originated the request
Port 161 is SNMP and Port 162 is the SNMP Manager
Media Access Unit - Media attachment Unit
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

8. Host
Network Time Protocol
Any network device with an IP address
Internet mail access protocol
Initial installation cost may be higher - One central single point of failure (the hub or other device)

9. 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
Open Source Path First - this is a routing protocol
Port 20 must also be unblocked.
This IP (Internet Protocol) address cannot be pinged remotely.
192.168.96.254

10. On what Port is IMAP?
Challenge Handshake Authentication Protocol
143
192.168.96.254
Access Control List

11. A star network that uses several cable types must use which hub type in order to accommodate all client machines?
3389
traceroute
Hybrid hub
netstat and ping

12. PSTN Means...
Secure Shell
Public Switched Telephone Network
cold site.
Router

13. An employee needs to access the internal secure company web site from a hotel. The employee will need which of the following connections?
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
Internet connection
Internet Service Provider
Intrusion Detection System

14. GSM means...
Switches - bridges - and NICs (Network Interface Card)
Global System for Mobile Communications
Institute of Electrical and Electronics Engineers
TFTP (Trivial File Transfer Protocol)

15. A network has been set up for DHCP (Dynamic Host Configuration Protocol) services using a PDC (Primary Domain Controller) and BDC (Backup Domain Controller) each with a range of 192.168.0.1 to192.168.0.254 using a class subnet of 255.255.255.0. DHCP
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).
Open Source Path First - this is a routing protocol
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
BootP (Boot Protocol)

16. A computer that is working on a network is unplugged and then plugged into another switch with a new cable. The link LED (Light Emitting Diode) on the NIC (Network Interface Card) does not come on. All of the following could be the source of the prob
Network Time Protocol
the NIC (Network Interface Card) is bad.
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
WINS (Windows Internet Name Service)

17. What is QoS?
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
To decrease network congestion Answer: D
SQL Server
Quality of Service

18. Workstations

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19. TDR means...
User Datagram Protocol
WEP (Wired Equivalent Privacy)
Time domain reflectometer
Secure Sockets Layer

20. What is NAT?
Network Address Translator
48 bits.
Disk Operating System or Denial of Service
Firewall

21. 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?
VPN (Virtual Private Network)
Network Address Translation
A 2.4 GHz (Gigahertz) cordless telephone is in use.
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.

22. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
MAC (Media Access Control) address
1000BASE-CX
443
CSU / DSU (Channel Service Unit / Data Service Unit)

23. On what Port is TFTP?
Telnet
69
Connect Workstation 6 and Workstation 2 using a barrel connector
ICMP (Internet Control Message Protocol)

24. Which standard covers the methods for performing authentication services for remote access to a central LAN (Local Area Network)?
802.1x
CSU / DSU (Channel Service Unit / Data Service Unit)
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
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

25. 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)?
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
Periodically (randomly) blinking
Application
Transport

26. SNMP Means...
SMTP Server
Simple Network Management Protocol
1000BASE-CX
Sys Log (Unix) or Event Manager (Windows)

27. 802.11 security is defined in...
1000BASE-LX and10 GBASE-LR
The file has been opened by another user and is open for read only.
802.11i
Verification

28. A packet filtering firewall operates at which layers of the OSI (Open Systems Interconnect) model?
MultiProtocol Label Switching
Network and Transport
Physical
3.1

29. All of the following options transmit data over a modem EXCEPT...
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.)
8080
T1 (T-Carrier Level 1).
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths

30. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has a longer maximum distance than 100 meters (328 feet)?
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
Extranet
100BASE-FX Answer: D

31. What is on Ports 161 and 162?
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
PPP (Point-to-Point Protocol)
Port 161 is SNMP and Port 162 is the SNMP Manager
Internet mail access protocol

32. 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?
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
ICMP (Internet Control Message Protocol)
the NIC (Network Interface Card) is bad.
Port 20 must also be unblocked.

33. Which dial-up protocol is capable of passing multiple LAN (Local Area Network) protocols across the wire?
22
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths
PPP (Point-to-Point Protocol)
SQL Server

34. List the drawbacks of a bus topology

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35. Which one of the following devices connects a network segment to a public telephone network?
Post Office Protocol 3
CSU / DSU (Channel Service Unit / Data Service Unit)
Industry Standards Organization
ping

36. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
802.11a.
It is an address assigned to a NIC (Network Interface Card).
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
8080

37. IPX/SPX means...
Network Address Translator
802.11i
Internetwork Packet Exchange/Sequenced Packet Exchange
HTTP

38. On what Port is Telnet?
Network Time Protocol
23
Hypertext Markup Language
SUN RPC

39. Which one of the following UNIX commands is similar to Telnet and used for terminal emulation?
Packets from entering and leaving a network
Uniform Resource Locator
rlogin
Internet Information Services

40. 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)
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.
Manages network applications
80

41. On what Port is LDAP?
389
Industry Standards Organization
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
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

42. 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?
nslookup
Packets from entering and leaving a network
TFTP (Trivial File Transfer Protocol)
Proxy server

43. Six workstations that are numbered 1-6 are installed sequentially in a physical ring topology. Workstation 1 fails. How can the network administrator remove Workstation 1 for service without moving the other workstations?
161 & 162
Connect Workstation 6 and Workstation 2 using a barrel connector
Multiple Link Interface
Point to Point Tunneling Protocol

44. Fault Tolerance
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
traceroute
Wired Equivalent Privacy
File Transfer Protocol

45. What is on Port 1433?
Dynamic Host Configuration Protocol
SQL Server
A network map showing exactly how data moves through the network.
Periodically (randomly) blinking

46. LDAP means...
Public Key Infrastructure
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Primary Rate Interface
Lightweight Directory Access Protocol

47. What is IP?
Internet Protocol
Wireless Fidelity
Intrusion Detection System
Stores and dispenses files

48. What is RIP?
Routing Internet Protocol
Two or more connected computers that can share resources
SMB (Server Message Block)
Hypertext Markup Language

49. LAN Local Area Network
Networked Basic Input/Output System
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)
2.4 GHz (Gigahertz).
Client - protocol - and adapter

50. Physical Topology
10 GBASE-LR
Windows Internet Name Service
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.
Disk Operating System or Denial of Service