20. In which layer of OSI client send request to the server?
a.
Application layer
b. Presentation layer
c.
Session layer
d.
Transport layer
Answer:
Option(c)
21. What is the main function of Session layer in OSI model?
a. Defines how data is formatted between the devices
b. Made physical connection between server and client
c.
Both a and b
d.
None of the above
Answer:
Option(a)
22. Sometimes, Session layer is also called ______ layer
a.
Virtual layer
b.
Port layer
c.
Segmentation layer
d.
Process layer
Answer:
Option(b)
23. In which layer of OSI session is first check and then data is transmitted
a.
Application layer
b.
Presentation layer
c.
Session layer
d.
Transport layer
Answer:
Option(c)
24. Which of the following is the session layer protocol or service?
a.
SPDY
b.
NetBIOS
c.
PPTP
d.
SAP
Answer:
Option(c)
25. TELNET, FTP, SMTP, Protocols fall in the following layer of OSI reference model?
a.
Transport layer
b.
Internet layer
c.
Network layer
d.
Application layer
Answer:
Option(d)
26. Which of the following is an application layer service?
a.
Remote log-in
b.
File transfer and access
c.
Mail service
d.
All of the above
Answer:
Option(d)
27. Which DNS client maps an address to a name or a name to an address especially when required by a host?
a.
Resolver
b.
Mapper
c.
Primary Server
d.
Secondary Server
Answer:
Option(a)
28. Which application-level protocol plays a crucial role in carrying out the data definition and manipulation in addition to X-500 features?
a.
TCP
b.
LDAP
c.
FTP
d.
None of the above
Answer:
Option(b)
29. Which intermediaries are more likely to get involved during the transfer function of an e-mail system?
a. Storage and forwarding of e-mail for certain addresses
b. Act as gateways to other e-mail or messaging systems
c.
Both a & b
d.
None of the above
Answer:
Option(c)
30. Which among the below specified illustrations belongs to the category of GUI based user agents?
a.
mail
b.
pine
c.
Outlook & Netscape
d.
All of the above
Answer:
Option(c)
31. Which phase/s of POP3 allow/s an user agent to retrieve the messages as well as to mark the messages for deletion purpose?
a.
Authorization Phase
b.
Transaction Phase
c.
Update Phase
d.
All of the above
Answer:
Option(b)
32.
Consider the assertions given below.
Which among them prove to be beneficial for Persistent HTTP connections?
A. Reduction in latency over the subsequent requests
B. Pipeline-oriented connection over the requests and responses
C. Increase in number of packets due to TCP opens
D. Prevention in opening and closing of some TCP connections
a.
A & B
b.
C & D
c.
A & C
d.
B & B
Answer:
Option(a)
33. Which URL method of HTTP performs similar function as that of PUT method only with an exception of request comprising a list of differences that exhibit the necessity to get implemented in the existing file?
a.
POST
b.
GET
c.
PATCH
d.
OPTION
Answer:
Option(c)
34. Which language in WWW specifies a web's way by describing threedimensional objects?
a.
HTML
b.
VRML
c.
XML
d.
UML
Answer:
Option(b)
35. Which field of cookie in WWW represents the server's directory structure by identifying the utilization of part associated with server's file tree?
a.
Domain
b.
Path
c.
Content
d.
Secure
Answer:
Option(b)
36. Which among the below mentioned protocols provides a mechanism of acquiring an IP address without manual intervention in addition to plug and play type of networking?
a.
BOOTP
b.
DHCP
c.
Both a & b
d.
None of the above
Answer:
Option(b)
37. Which of the following layers of the OSI model is responsible for user interaction?
a.
Layer 4
b.
Layer 5
c.
Layer 6
d.
Layer 7
Answer:
Option(d)
38.
What occurs in the session layer?
a.
Data compression and encryption
b.
MAC address are handled
c.
binary to decimal conversion
d.
sessions are created
Answer:
Option(d)
39. Which of the following is/are the important applications of the application layer?
a.
Electronic mail
b.
World Wide Web
c.
USENET
d.
All of the above
Answer:
Option(d)
40. The TCP/IP …………corresponds to the combined session, presentation, and application layers of the OSI model.
a.
session layer
b.
presentation layer
c.
application layer
d.
None of the above
Answer: Option(c)
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