Application Layer - MCQs with Answer

Application Layer - MCQs with Answer

1. 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

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2. 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

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3. 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

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4. 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

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5. 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

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6. Consider the assertions given below. Which among them prove to be beneficial for Persistent HTTP connections?

A. Reduction in latency over the sub-sequent 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

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7. 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

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8. Which language in WWW specifies a web's way by describing three-dimensional objects?

a. HTML
b. VRML
c. XML
d. UML

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9. 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

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10. 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

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