Question
1. How many layers are incorporated in the OSI model communications subnetwork?
3
d. 4
12. Which of the following layers deals with the serial transfer of data?
b.
7
a. Physical
b. Data Link
C. Network
d. Session
13. When installing a router on a company's network that will allow access to the Internet,
the device will reside on which layer of the OSI model?
a Physical
b. Data Link
c. Network
d. Transport
14. When executing the netstat -an command in the Command Prompt window, many
connections are made that say TCP in the leftmost column. Which layer of the OSI
model is TCP refering to?
Layer 1
a
b. Layer 2
c. Layer 3
d. Layer 4
15. A problem is suspected with a computer's network adapter and its ability to send the
correct frames of data that correspond with the network architecture used by the rest of
the computers. Which layer should be used as a troubleshooting starting point?
a. Physical
b. Data Link
C. Network
d. Transport
16. A standard such as 100BASE-T refers to which OSI layer?
a. Physical
b. Data Link
C. Network
d. Transport
17. At an organization, almost all users connect to websites with Internet Explorer. They
usually type domain names such as www.microsoft.com. Which protocol is initiated by
default when they press Enter after typing the domain name?
a. FTP
C. HTTP
b. HTTPS
d. HTP
18. A director has given permission to access his computer. To find out the MAC address of
the director's computer, the Command Prompt application is accessed. Which command
should be used to see the MAC address?
C. arp
a ipconfig
b. ipconfig/all
d. netstat -an
19. Which of the following commands should be used to view all of the MAC addresses of
computers that a particular user's computer has connected to in the recent past?
a. ping 127.0.0. 1
C.
arp-a
b. netstat -a
d. arp-s
20. Which of the following tools should be used to capture and analyze packets on a server?
(Choose the two best answers.)
a. Protocol analyzer
b. Command Promnpt
C. netstat -an
d Wireshark
Answer
1. 7
12. b. Data Link
13. c. Network
14. d. Layer 4
15. b. Data Link
16. a. Physical
17. C. HTTP
18. C. arp
19. C. arp -a
20. a. Protocol analyzer and d. Wireshark