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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. 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)
Two or more connected computers that can share resources
CSU / DSU (Channel Service Unit / Data Service Unit)
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.

2. What is on Port 25?
cold site.
SMTP Server
WINS (Windows Internet Name Service)
Border Gateway Multicast Protocol - A routing protocol for router to router activity.

3. Which networking device works at the upper three layers of the OSI (Open Systems Interconnect) and connects networks with different architectures?
389
Gateway
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
Basic Input/Output System

4. Which one of the following is true concerning bridges and their forwarding decisions?
Hypertext transfer protocol
40 bit - 128 bit - 64 bit
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.)
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.

5. On what Port is IMAP?
Point to Point Tunneling Protocol
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.
Internet Control Message Protocol
143

6. A network administrator notices in his secure wireless office that many of his wireless client machines constantly lose network connectivity. The wired clients never have downtime. Theadministrator also notices that the wireless clients all lose conn
SMB (Server Message Block)
Check the connection from the WAP (Wireless Access Point) to the network
2.4 GHz (Gigahertz).
Trivial File Transfer Protocol

7. On what Port is the Proxy Server?
RDP/ Terminal Services
DNS
Wireless Fidelity
8080

8. 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)?
A striped set array with parity
53
Transmission Control Protocol
Periodically (randomly) blinking

9. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
A striped set array with parity
Verification
Alternating Current
SQL Server

10. Which protocol is the fastest file transfer protocol?
TFTP (Trivial File Transfer Protocol)
Manages printers on the network
Transmission Control Protocol
443

11. 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?
192.168.96.254
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
ICMP (Internet Control Message Protocol)
Authentication

12. Name the seven most common physical topologies
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Firewall
80
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

13. Fax Server

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14. What is IPSEC? Why is it significant?
1
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
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.
Internet Protocol Security. This is the defacto standard for VPN security.

15. What is on Port 3389?
Manages network applications
Internet Protocol
RDP/ Terminal Services
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

16. What is on Port 22?
SSH
Digital Subscriber Line
3389
802.11

17. 802.11 security is defined in...
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
169.254.1.1
Time domain reflectometer
802.11i

18. List the drawbacks of a star topology
53
Initial installation cost may be higher - One central single point of failure (the hub or other device)
Port Address Translator
Networked Basic Input/Output System

19. What is on Port 111?
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
Internet Control Message Protocol
Port 161 is SNMP and Port 162 is the SNMP Manager
SUN RPC

20. A client workstation can authenticate user names and passwords to which type of server?
The amber light is flashing occasionally and the green light is lit steadily.
PDC (Primary Domain Controller)
An old microwave oven is being used in the break room which causes interference with the access point.
cold site.

21. IEEE means...
Institute of Electrical and Electronics Engineers
larger subnet masks.
Authentication
Network and Transport

22. What is on Ports 161 and 162?
Implement VLANs (Virtual Local Area Network)
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.)
Port 161 is SNMP and Port 162 is the SNMP Manager
T1 (T-Carrier Level 1).

23. What is LEAP?
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
RDP/ Terminal Services
There will be no Internet access.
encapsulating the data payload.

24. Which UNIX service provides interoperability with Windows file and print sharing?
As a way to share resources and information
Basic Input/Output System
The amber light is flashing occasionally and the green light is lit steadily.
SMB (Server Message Block)

25. On what Port is SQL Server?
Remote Desktop Protocol
The 'memo maker' that sends and receives paperless faxes over the network
Integrated Services digital Network
1433

26. 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?
These are the FTP ports. Port 20 handles data and Port 21 provides control.
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Implement VLANs (Virtual Local Area Network)
Peer-To-Peer and Client-Server

27. 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
WINS (Windows Internet Name Service)
2.4 GHz (Gigahertz).
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.

28. A packet filtering firewall operates at which layers of the OSI (Open Systems Interconnect) model?
Two or more connected computers that can share resources
Network and Transport
BootP (Boot Protocol)
Reverse Address Resolution Protocol.

29. ISO Means...
Industry Standards Organization
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).
Switches - bridges - and NICs (Network Interface Card)
10 GBASE-LR

30. To increase the number of available IP (Internet Protocol) addresses - IPv6 (Internet Protocol version 6) uses which one of the following options?
Transmission Control Protocol
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
MultiProtocol Label Switching
128 bit addresses

31. A user would like to implement a secure ordering system on a web server. Which of the following protocols is installed?
SSL (Secure Sockets Layer)
Token passing
48 bits.
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

32. Which of the following is used to translate NetBIOS (Network Basic Input / Output System) names
WINS (Windows Internet Name Service)
Basic Rate Interface
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
100 Mbps (Megabits per second)

33. SSID Means...
Service Set Identifier
Hard to troubleshoot - Difficult to change or move - Doesn't offer much 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.
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

34. On what Port is DNS?
Quality of Service
53
Manages network applications
514

35. Examples of valid WEP (Wired Equivalent Privacy) key lengths
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
Port 161 is SNMP and Port 162 is the SNMP Manager
40 bit - 128 bit - 64 bit
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect

36. Connecting a LAN (Local Area Network) to a mainframe can be accomplished using a...
Port 20 must also be unblocked.
Secure Sockets Layer
T1 (T-Carrier Level 1).
gateway.

37. Which one of the following will interfere with an IEEE (Institute of Electrical and Electronics Engineers) 802.11b access point?
Bluetooth enabled cell phones
User Datagram Protocol. This protocol is connectionless and routable.
8080
Public Key Infrastructure

38. Which protocol could be used by a VPN (Virtual Private Network)?
SSL (Secure Sockets Layer)
Provides remote users with access to the network through modems and an IP connection
PPTP (Point-to-Point Tunneling Protocol)
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

39. On what Port is Sys Log/ Event Manager?
514
Manages printers on the network
80
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

40. Which one of the following security protocols creates a secure connection over the Internet?
Light Emitting Diode
Disk Operating System or Denial of Service
Media Access Unit - Media attachment Unit
L2TP (Layer 2 Tunneling Protocol)

41. Which media access method is used for an IEEE (Institute of Electrical and Electronics Engineers) 802.5 network?
Asynchronous Transfer Mode
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
Local Area Network
Token passing

42. On what Port is LDAP?
Media Access Unit - Media attachment Unit
Port 20 must also be unblocked.
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
389

43. Which of the following is a self-assigned address based on APIPA (Automatic Private Internet Protocol Addressing)?
169.254.1.1
Proxy Server
TCP / IP (Transmission Control Protocol / Internet Protocol)
A striped set array with parity

44. LDAP means...
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Lightweight Directory Access Protocol
Light Emitting Diode
D. Switch and bridge

45. Logical Topology
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
Internet Information Services
A network map showing exactly how data moves through the network.

46. When one connection to a host fails in a full mesh network - it means...
SSL (Secure Sockets Layer)
MT-RJ (Mechanical Transfer-Registered Jack)
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
All hosts can communicate.

47. 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?
All hosts can communicate.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
MAC (Media Access Control) address
Port Address Translator

48. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
An eight-position connector which uses UTP (Unshielded Twisted Pair).
BootP (Boot Protocol)
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
802.11a.

49. BIOS Means...
48 bits.
Routing Internet Protocol
Basic Input/Output System
Exterior Gateway Protocol

50. POP Means...
Network Access Control
The users will not be affected by the change.
Post Office Protocol
A long length of antenna extension cable