NETWORK QUESTIONS FOR ASST.PROGRAMMER ,INFORMATION ASSISTANT--01

 
Which of the following types of connections can use full duplex?
Hub to hub
Switch to switch
Host to host
Switch to hub


Switch to host
A. 1, 2 and 4
B. 3 and 4
C. 3 and 5
D. 2, 3 and 5  (correct)


Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

A. Layer 2
B. Layer 3
C. Layer 4  (correct)
D. Layer 7
 
Which fields are contained within an IEEE Ethernet frame header?

Source and destination MAC address
Source and destination network address
Source and destination MAC address and source and destination network address
FCS field
A. 1 and 4  (correct)
B. 2 only
C. 2 and 3 only
D. 3 only

What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?

A. Straight-through
B. Crossover cable
C. Crossover with a CSU/DSU
D. Rolled (correct)


How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?

A. Thicknet coax
B. Thinnet coax
C. Category 5 UTP cable
D. Fiber-optic cable (correct)

Segmentation of a data stream happens at which layer of the OSI model?

A. Physical
B. Data Link
C. Network
D. Transport (correct)


When data is encapsulated, which is the correct order?

A. Data, frame, packet, segment, bit
B. Segment, data, packet, frame, bit
C. Data, segment, packet, frame, bit (correct)
D. Data, segment, frame, packet, bit


Which of the following are unique characteristics of half-duplex Ethernet when compared
to full-duplex Ethernet?

Half-duplex Ethernet operates in a shared collision domain.
Half-duplex Ethernet operates in a private collision domain.
Half-duplex Ethernet has higher effective throughput.
Half-duplex Ethernet has lower effective throughput.
A. 2 only
B. 1,2 and 3 (correct)
C. 1 and 4
D. 4 only


What type of RJ45 UTP cable is used between switches?

A. Straight-through
B. Crossover cable  (correct)
C. Crossover with a CSU/DSU
D. Crossover with a router in between the two switches



Which of the following services use TCP?

DHCP
SMTP
HTTP
TFTP
FTP
A. 1 and 2
B. 2, 3 and 5 (correct)
C. 1, 2 and 4
D. 1, 3 and 4

 
What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

A. Application
B. Host-to-Host (correct)
C. Internet
D. Network Access


Which of the following describe the DHCP Discover message?
It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.
It uses UDP as the Transport layer protocol.
It uses TCP as the Transport layer protocol.
It does not use a layer 2 destination address.
A. 1 only
B. 1 and 2 (correct)
C. 3 and 4
D. 4 only
 
You want to implement a mechanism that automates the IP configuration, including IP address,
 subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?

A. SMTP
B. SNMP
C. DHCP (correct)
D. ARP


which of the following is private IP address?
A. 12.0.0.1
B. 168.172.19.39
C. 172.15.14.36
D. 192.168.24.43 (correct)



Which of the following allows a router to respond to an ARP request that is intended for a remote host?

A. Gateway DP
B. Reverse ARP (RARP)
C. Proxy ARP           (correct)
D. Inverse ARP (IARP)

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

A. Application
B. Host-to-Host
C. Internet (correct)
D. Network Access

 
Which of the following services use UDP?

DHCP
SMTP
SNMP
FTP
HTTP
TFTP
A. 1, 3 and 6 (correct)
B. 2 and 4
C. 1, 2 and 4
D. All of the above


 
Which class of IP address provides a maximum of only 254 host addresses per network ID?

A. Class A
B. Class B
C. Class C(correct)
D. Class D

If you use either Telnet or FTP, which is the highest layer you are using to transmit data?

A. Application (correct)
B. Presentation
C. Session
D. Transport

COMPUTER NETWORK KNOWLEDGE