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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. 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
Check the connection from the WAP (Wireless Access Point) to the network
bytes 1-3
Point-to-Point Tunneling Protocol
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

2. Describe a star topology
PDC (Primary Domain Controller)
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
Network Time Protocol
Light Emitting Diode

3. List the benefits of a bus topology
Multiple Link Interface
Easy to install - Inexpensive - Less actual cable required
1433
Open Source Path First - this is a routing protocol

4. What is QoS?
1433
Quality of Service
CSU / DSU (Channel Service Unit / Data Service Unit)
Transmission Control Protocol/Internet Protocol

5. NTP means...
2.4 GHz (Gigahertz).
Network Time Protocol
Internet Information Services
T1 (T-Carrier Level 1).

6. The Spanning-Tree Protocol allows for redundancy of what networking device?
Bridge
22
Alternating Current
CSU / DSU (Channel Service Unit / Data Service Unit)

7. Which one of the following will interfere with an IEEE (Institute of Electrical and Electronics Engineers) 802.11b access point?
Bluetooth enabled cell phones
The amber light is flashing occasionally and the green light is lit steadily.
Bayonet-Neill-Concelman or British Naval Connector
Wireless Access Point

8. 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?
Point to Point Tunneling Protocol
nslookup
110
The Internet router is blocking port 25.

9. Telephony Server
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.)
Public Key Infrastructure
nslookup
Handles the call center and call routing and can be thought of as a sophisticated network answering machine

10. MLI Means...
Wireless Fidelity
3.1
MAC (Media Access Control) address
Multiple Link Interface

11. DC means...
Gateway
SMTP Server
Direct Current
Wireless Fidelity

12. Connecting a LAN (Local Area Network) to a mainframe can be accomplished using a...
DNS (Domain Name Service) server settings
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
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.
gateway.

13. What is PPTP?
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
Point to Point Tunneling Protocol
Internet Information Services
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

14. Which of the following is used to translate NetBIOS (Network Basic Input / Output System) names
Post Office Protocol
WINS (Windows Internet Name Service)
The Internet router is blocking port 25.
Plain Old Telephone Service

15. Which of the following methods transfers files with the use of a UDP (User Datagram Protocol)?
Point-to-Point Protocol
A network map showing exactly how data moves through the network.
100BASE-FX Answer: D
TFTP (Trivial File Transfer Protocol)

16. Proxy Server
Internet Protocol Security. This is the defacto standard for VPN security.
Handles tasks in the place of other machines on the network
IMAP (Mail Client)
Internet connection

17. PAP (Password Authentication Protocol) secures PPP (Point-to-Point Protocol) sessions by...
Routing Information Protocol
nslookup
passing a username and password in plaintext.
Direct Current

18. What is the maximum length of a gigabit Ethernet segment using MMF (MultiMode Fiber) optic cable?
Proxy Server
48 bits.
Media Access Unit - Media attachment Unit
550 meters (1 -804.46 feet)

19. What enables a UNIX computer to access exported file systems from other UNIX computers?
An old microwave oven is being used in the break room which causes interference with the access point.
NFS (Network File System)
Lightweight Directory Access Protocol
2.4 GHz (Gigahertz).

20. Describe a bus topology
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
Internet Protocol Security. This is the defacto standard for VPN security.
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
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

21. LED Means...
6
The file has been opened by another user and is open for read only.
3389
Light Emitting Diode

22. HTTP Means...
Transport
SUN RPC
Hypertext transfer protocol
ping

23. Company A has two networks - one on the west side of town and one on the east side. The network administrator wants to connect the two networks with a leased line but is concerned about limiting broadcast traffic. What can the administrator do to all
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
larger subnet masks.
Put a router between the two network segments
Internet Service Provider

24. The IPSec (Internet Protocol Security) protocol suite can secure network transmissions by...
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
Public Switched Telephone Network
encapsulating the data payload.
135-139

25. A star network that uses several cable types must use which hub type in order to accommodate all client machines?
TFTP (Trivial File Transfer Protocol)
Proxy Server
Select the most probable cause
Hybrid hub

26. Fault Tolerance
Point to Point Tunneling Protocol
1000BASE-LX and10 GBASE-LR
RDP/ Terminal Services
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.

27. Which layer of the OSI (Open Systems Interconnect) model handles formatting and code conversion?
Proxy Server
Presentation
Server Message Block OR Small-to-Midsize Business
POP3

28. WLAN Means...
128 bit addresses
Internet Protocol Security. This is the defacto standard for VPN security.
A long length of antenna extension cable
Wireless LAN

29. BNC Means...
Network Address Translator
Bayonet-Neill-Concelman or British Naval Connector
Handles e-mail functions
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

30. List the drawbacks of a ring topology
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Internet connection
gateway.
BootP (Boot Protocol)

31. NFS Means...
Presentation
Easy to install - Inexpensive - Less actual cable required
Routing Information Protocol
Network File System

32. What is on Port 69?
Basic Input/Output System
Switches - bridges - and NICs (Network Interface Card)
TFTP (Trivial File Transfer Protocol)
Local Area Network

33. A companys disaster recovery plan requires that a hot site be maintained for fault tolerance. Which of the following would achieve this goal?
A network map showing exactly how data moves through the network.
Electromagnetic Interference
An exact duplicate of the infrastructure is mirrored offsite.
Asynchronous Transfer Mode

34. On what Port is HTTPS/ SSL?
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Two or more connected computers that can share resources
443
Check the connection from the WAP (Wireless Access Point) to the network

35. On what Port is Telnet?
23
1000BASE-CX
Asynchronous Transfer Mode
10 GBASE-LR

36. Name the seven most common physical topologies
23
Institute of Electrical and Electronics Engineers
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
nslookup

37. What is on Port 443?
HTTPS/ SSL
Uniform Resource Locator
CSU / DSU (Channel Service Unit / Data Service Unit)
SSL (Secure Sockets Layer)

38. What is on Port 8080?
IMAP (Mail Client)
Implement VLANs (Virtual Local Area Network)
Proxy Server
1000BASE-CX

39. A firewall differs from a proxy server in that a proxy server operates at which of the following levels of the OSI (Open Systems Interconnect) model?
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Application
Port 161 is SNMP and Port 162 is the SNMP Manager
Token passing

40. 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?
WINS (Windows Internet Name Service)
gateway.
MAC (Media Access Control) address
Media Access Unit - Media attachment Unit

41. 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
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
Disk Operating System or Denial of Service
netstat

42. 802.11 security is defined in...
Firewall
In the LAN (Local Area Network)
802.11i
802.1x

43. On what Port is TFTP?
Basic Rate Interface
69
cold site.
ICMP (Internet Control Message Protocol)

44. BRI Means...
Access Control List
Basic Rate Interface
Time domain reflectometer
Presentation

45. A user is booting a workstation and suddenly receives a message stating that a duplicate IP (Internet Protocol) address is in use on the network. Which of the following commands can be used to troubleshoot the problem?
This IP (Internet Protocol) address cannot be pinged remotely.
rp
Basic Rate Interface
Dynamic Host Configuration Protocol

46. Which OSI (Open Systems Interconnect) layer provides interfaces to the user that enable programs to use network services?
ICMP (Internet Control Message Protocol)
Routing Information Protocol
SMB (Server Message Block)
Application

47. A user complains that they are unable to connect to a remote server using either FTP (File Transfer Protocol) or Telnet - although the user was able to connect yesterday. Which of the following commands is used to troubleshoot the problem?
The device ID (Identification)
Fully Qualified Domain Name
This IP (Internet Protocol) address cannot be pinged remotely.
ping

48. PRI Means...
Multipurpose Internet Mail Extension
Primary Rate Interface
Transport
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network

49. What is IPSEC? Why is it significant?
Internet Protocol Security. This is the defacto standard for VPN security.
Global Positioning System
larger subnet masks.
550 meters (1 -804.46 feet)

50. 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
Network Time Protocol
VPN (Virtual Private Network)
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
Wireless LAN