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 61-65 1 Answers to Questions 71-75

66. For troubleshooting purposes, you need to add a static mapping from a Mac address to an IP. Select the command line you need to enter to accomplish this.

A. arp -s 157.55.85.212 00-aa-00-62-c6-09

B. arp 00-aa-00-62-c6-09 157.55.85.212 /s

C. arp -t 157.55.85.212 00-aa-00-62-c6-09

D. arp 00-aa-00-62-c6-09 157.55.85.212 /S

Explanation: The ARP "-s" switch permanently enters (meaning it stays in the table until removed) a static mapping from the physical address to the Internet address.

Type "ARP /?" from the command prompt to view all ARP switches.

& 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.

67. An IP address is ___________.

A. A logical address to a host

B. Required by NetBEUI

C. Required to be static for a WINS server

D. Required to be static for a DNS server

E. Required for successful operation of any switch

Explanation: In order for a WINS server to provide an IP address for NetBIOS mappings, it must have a static IP address, not one given out by a DHCP server.

& Domain 2.7: Identify the purpose of the following network services (e.g. DHCP/bootp, DNS, NAT/ICS, WINS and SNMP)

68. Which of the following protocols does PING use?

A. SNMP

B. ICMP

C. TCP

D. SMTP

E. FTP

Explanation: PING uses ICMP (Internet Control Message Protocol) to diagnose communication problems.

& 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.

69. What utility can be used to troubleshoot an HTTP server?

A. Finger

B. FTP

C. PING

D. NETSTAT

E. TELNET

Explanation: Don't let server type throw you off track. We could have been talking about ANY server. TELNET is a terminal emulation program that is frequently used to access servers over the Internet.

& 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.

70. What protocol is used on the Internet to upload e-mail to a mail server?

A. POP

B. POP3

C. SMTP

D. FTP

E. HTTP

Explanation: The Simple Mail Transport Protocol (SMTP) is what is used to SEND mail, and POP3 (Post Office Protocol) is used to receive mail. Their respective ports are 25 and 110.

& 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. 2.6 define the function of TCP/UDP ports. Identify well-known ports.

Answers to Questions 61-65 1 Answers to Questions 71-75