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 51-55 1 Answers to Questions 61-65

56. What layer of the OSI model would be concerned with network applications such as Telnet and FTP?

A. The Application layer

B. The Program layer

C. The Session Layer

D. The Network layer

E. The TCP/IP layer

Explanation: The Application layer defines the network applications that support end-user programs. Common functions of this layer include: opening, closing, reading and writing files, file transport, e-mail, and terminal emulation.

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

57. Besides IP addresses, what information can a DHCP server assign

A. Default gateway

B. NetBIOS Name

C. DNS server

D. Subnet mask

E. User name

Explanation: Along with IP addresses, DHCP Servers can also supply a subnet mask, default gateway, DNS Server, and WINS server addresses.

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

58. Describe the basic concept of Name Resolution.

A. Maps a computer name to a network

B. Maps a computer name to an MAC address

C. Maps a computer name to a WINS address

D. Provides a method of automatically assigning computer names

E. Provides a method of automatically assigning a computer name and IP address

Explanation: Name resolution is the process of mapping a computer name to its MAC address. Since data protocols can only transport data between MAC addresses, the name resolution process is necessary for humans to refer to computers by easy to use/remember names instead of binary numbers.

& 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 4.1: Given a troubleshooting scenario, select the appropriate TCP/IP utility from among the following: Tracert, ping, ARP, NBTstat, Netstat. IPconfig/Ifconfig, WinIPcfg, Nslookup.

59. Name 4 popular Top-Level Domain names:

A. COM

B. ORG

C. NET

D. USA

E. EDU

Explanation: The most common top-level domain names are: COM, ORG, EDU, GOV, MIL, and NET.

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

& Domain 4.8: Given a scenario predict the impact of modifying, adding, or removing Network Services (e.g., DHCP, DNS, WINS, etc.) on network resources and users.

60. What are methods NetBIOS uses to resolve names to addresses?

A. NetBIOS name cache

B. WINS Server

C. Multicast

D. DNS Server

E. Local hosts file

Explanation: When a computer needs to locate another NetBIOS device IP address, the protocol performs a query using the following methods: NetBIOS name cache, WINS Server; local broadcast, local hosts file lookup, and DNS Server.

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

& Domain 3.11: Given a network configuration select the appropriate NIC and network configuration settings (DHCP, DNS, WINS, protocols, NetBIOS/host name etc.).

& Domain 4.8: Given a scenario predict the impact of modifying, adding, or removing Network Services (e.g., DHCP, DNS, WINS, etc.) on network resources and users.

Answers to Questions 51-55 1 Answers to Questions 61-65