CertiGuide to Network+  9  Appendix A: Answers to Success Questions and Real World Exam Questions       9  Chapter 1010: Real World Exam Answers

Answers to Questions 41-45 1 Answers to Questions 51-55

46. How many bits are subnets comprised of?

A. 32

B. 64

C. 16

D. 4

E. 1

Explanation: The subnet 255.255.255.255 would look (exactly) as

11111111.11111111.11111111.11111111

in binary, without the dots (ignored by the O/S and there for us humans)

& Domain 2.3: Differentiate between following protocols in terms of routing, address schemes, interoperability, and naming conventions: TCP/IP, IPX/SPX, NetBEUI, AppleTalk

& Domain 2.5: Define the purpose, function and/or use of the following protocols within TCP/IP: IP, TCP, UDP, FTP, TFTP, SMTP, HTTP, HTTPS, POP3/IMAP4, Telnet, ICMP, ARP, NTP.

& Domain 2.8: Identify the IP addresses (IPv4, IPV6) and their default subnet masks.

& Domain 2.9: Identify the purpose of subnetting and default gateways.

47. UDP is:

A. Connectionless and reliable

B. Connectionless and unreliable

C. Connection orientated and reliable

D. Connection orientated and unreliable

E. Not a part of the TCP/IP suite

Explanation: User Datagram Protocol (UDP) is a connectionless transportation mechanism. Because is uses a "best effort" method of packet delivery it is considered unreliable.

& Domain 2.5: Define the purpose, function and/or use of the following protocols within TCP/IP: IP, TCP, UDP, FTP, TFTP, SMTP, HTTP, HTTPS, POP3/IMAP4, Telnet, ICMP, ARP, NTP.

& Domain 2.6: Define the function of TCP/UDP ports. Identify well-known imports.

48. A device with a logical address on a network is termed a ______________.

A. Host

B. Peer

C. PC

D. Workstation

E. Client

Explanation: When you attach a logical address (IP address) to a PC and make it a member of a network, it becomes a "host".

& Domain 2.3: Differentiate between following protocols in terms of routing, address schemes, interoperability, and naming conventions: TCP/IP, IPX/SPX, NetBEUI, AppleTalk

49. Which transport layer protocol can be validated using FTP?

A. IP

B. TCP

C. UDP

D. ICMP

E. SNMP

Explanation: Knowing which protocols are on which layers of the OSI model will pay you large dividends when taking the Network+ exam.

& Domain 2.2: Identify the 7 layers of the OSI model and their functions. 2.5 define the purpose, function and/or use of the following protocols within TCP/IP: IP, TCP, UDP, FTP, TFTP, SMTP, HTTP, HTTPS, POP3/IMAP4, Telnet, ICMP, ARP, NTP.

50. What is the sequential order in a header field to route datagrams?

A. Destination port number, source port number, datagram size, checksum

B. Source port number, destination port number, datagram size, and checksum

C. Datagram size, Source port number, destination port number, checksum

D. Checksum, source port number, destination port number, datagram size, checksum

E. All Answers are correct

& Domain 2.3: Differentiate between following protocols in terms of routing, address schemes, interoperability, and naming conventions: TCP/IP, IPX/SPX, NetBEUI, AppleTalk

Answers to Questions 41-45 1 Answers to Questions 51-55