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Comptia Network +

Subjects : certifications, comptia-network-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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 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
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)
MT-RJ (Mechanical Transfer-Registered Jack)
Port 20 must also be unblocked.
Internet Protocol

2. What is on Port 53?
Internetwork Packet Exchange/Sequenced Packet Exchange
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
DNS
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

3. 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?
10 GBASE-LR
25
The Internet router is blocking port 25.
SUN RPC

4. Which IEEE (Institute of Electrical and Electronics Engineers) 802.x standard defines the operation of the LLC (Logical Link Control) sublayer of the OSI (Open Systems Interconnect) models Data Link layer?
PDC (Primary Domain Controller)
802.2
TFTP (Trivial File Transfer Protocol)
Port 20 must also be unblocked.

5. A facility designed to receive computer equipment during a disaster recovery is known as a...
cold site.
Internetwork Packet Exchange/Sequenced Packet Exchange
Put a router between the two network segments
802.1x

6. What is NAT?
DNS (Domain Name Service) server settings
Network Address Translator
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
20 & 21

7. NetBIOS Means...
Firewall
Networked Basic Input/Output System
The users will not be affected by the change.
MAC (Media Access Control) address

8. Which protocol is used for error reporting in concert with the IP protocol?
143
Internet Protocol
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.
ICMP (Internet Control Message Protocol)

9. List the drawbacks of a star topology
Initial installation cost may be higher - One central single point of failure (the hub or other device)
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
WINS (Windows Internet Name Service)
53

10. On what Port is LDAP?
Routing Internet Protocol
389
Network Interface Card
IMAP (Mail Client)

11. Which one of the following options is a security standard for 802.11?
Firewall
WEP (Wired Equivalent Privacy)
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
10 GBASE-LR

12. What is RARP?
Reverse Address Resolution Protocol.
DNS
Bayonet-Neill-Concelman or British Naval Connector
Hypertext transfer protocol

13. All of the following options transmit data over a modem EXCEPT...
T1 (T-Carrier Level 1).
Bus
Verification
Internet Control Message Protocol

14. What is on Port 110?
The 'memo maker' that sends and receives paperless faxes over the network
Disk Operating System or Denial of Service
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
POP3

15. ACL means...
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
Internet Service Provider
Sys Log (Unix) or Event Manager (Windows)
Access Control List

16. What is DHCP? What is its key attribute?
Transmission Control Protocol
Manages printers on the network
A long length of antenna extension cable
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.

17. 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?
Point to Point Tunneling Protocol
Hypertext transfer protocol over secure sockets layer.
Electromagnetic Interference
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

18. Which command will produce the following output? ethoLink encap : Ethernet HWaddr: 00:80:C8:D6:74:43 inet adder : 4.150.6.3 Bcast : 4.255.255.255 Mask: 255.0.0.0
ifconfig
Implement VLANs (Virtual Local Area Network)
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance

19. Describe a ring topology

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20. What is ARP? What are some of its attributes?
The file has been opened by another user and is open for read only.
389
Address Resolution Protocol. Has no error control.
23

21. WLAN Means...
SQL Server
ICMP (Internet Control Message Protocol)
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
Wireless LAN

22. EMI means...
Global Positioning System
Digital Subscriber Line
22
Electromagnetic Interference

23. How are physical and logical topologies different?

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24. LED Means...
SQL Server
Internet Protocol
Light Emitting Diode
10 GBASE-LR

25. TCP/IP Means;
Transmission Control Protocol/Internet Protocol
Peer-To-Peer and Client-Server
Central Processing unit
Hypertext transfer protocol over secure sockets layer.

26. The system administrator performs full backups on Sundays. Incremental backups are performed every day EXCEPT Sunday. The backups start at 10 a.m. and end by 12 p.m. The system crashes on Wednesday night. Which tapes must be used to restore data?
NFS (Network File System)
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
T1 (T-Carrier Level 1).
135-139

27. 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.
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
802.11i
Dynamic Host Configuration Protocol

28. On what Port is SQL Server?
6
Post Office Protocol
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
1433

29. On what Port is DNS?
53
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
Multipurpose Internet Mail Extension
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.

30. Which layer of the OSI (Open Systems Interconnect) model handles formatting and code conversion?
rp
An eight-position connector which uses UTP (Unshielded Twisted Pair).
802.11a.
Presentation

31. What is L2TP? What is significant about this protocol?
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
The Internet router is blocking port 25.
Access Control List
53

32. POP3 Means...
Hypertext transfer protocol
Basic Rate Interface
Post Office Protocol 3
Point-to-Point Tunneling Protocol

33. On what Port is POP3?
Trivial File Transfer Protocol
110
Network News Transfer Protocol
nslookup

34. 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?
netstat
As a way to share resources and information
rp
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.

35. On what Port is SNMP?
BootP (Boot Protocol)
Bayonet-Neill-Concelman or British Naval Connector
100 Mbps (Megabits per second)
161 & 162

36. What is RIP?
Manages printers on the network
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
Routing Internet Protocol
Internetwork Packet Exchange/Sequenced Packet Exchange

37. AC means...
1433
8080
Alternating Current
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

38. 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)?
20 & 21
Transmission Control Protocol/Internet Protocol
Periodically (randomly) blinking
Bluetooth enabled cell phones

39. SSL Means...
Alternating Current
Hypertext Markup Language
Secure Sockets Layer
Local Area Network

40. A small company connected to the Internet through a SOHO (Small Office / Home Office) router wants to make an internal web server public on the Internet. Computers on the LAN can access the web pages but Internet users cannot. What should be done to
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.
Primary Rate Interface
Implement VLANs (Virtual Local Area Network)
Bayonet-Neill-Concelman or British Naval Connector

41. TCP means...
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).
Handles e-mail functions
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Transmission Control Protocol

42. What is QoS?
L2TP (Layer 2 Tunneling Protocol)
Quality of Service
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).
This IP (Internet Protocol) address cannot be pinged remotely.

43. 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?
Global System for Mobile Communications
Extranet
Implement VLANs (Virtual Local Area Network)
Disk Operating System or Denial of Service

44. NTFS Means...
Post Office Protocol
New Technology File System
135-139
Server Message Block OR Small-to-Midsize Business

45. Given the MAC address 00:B0:D0:5A:E1:B5 - what does 5A:E1:B5 identify?
Post Office Protocol 3
Networked Basic Input/Output System Extended User Interface
The device ID (Identification)
100 Mbps (Megabits per second)

46. What is on Port 23?
Telnet
25
The device ID (Identification)
The file has been opened by another user and is open for read only.

47. Which one of the following will affect the range of an 802.11b WAP (Wireless Access Point)?
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
All workstations except Workstation 3 can communicate to each other.
A long length of antenna extension cable
A striped set array with parity

48. Wi-Fi Means...
Global Positioning System
20 & 21
Wireless Fidelity
D. Switch and bridge

49. 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?
Proxy server
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.
Forward the packets to all ports except the one that originated the request
Internet connection

50. Which one of the following security protocols creates a secure connection over the Internet?
L2TP (Layer 2 Tunneling Protocol)
Switches - bridges - and NICs (Network Interface Card)
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

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