GATE PYQ

Application Layer Protocols

Q21.
HELO and PORT, respectively, are commands from the protocols:

Q22.
Which one of the following is not a client server application?

Q23.
Traceroute reports a possible route that is taken by packets moving from some host A to some other host B. Which of the following options represents the technique used by traceroute to identify these hosts:

Q24.
Consider the three commands : PROMPT, HEAD and RCPT. Which of the following options indicate a correct association of these commands with protocols where these are used?

Q25.
Consider the following statements: I. telnet, ftp and http are application layer protocols. II. EJB (Enterprise Java Beans) components can be deployed in a J2EE (Java2 Enterprise Edition) application server. III. If two languages conform to the Common Language Specification (CLS) of the Microsoft.NET frame work, then a class defined in any one of them may be inherited in the other. Which statements are true?

Q26.
A packet filtering firewall can

Q27.
Identify the correct order in which the following actions take place in an interaction between a web browser and a web server. 1. The web browser requests a webpage using HTTP. 2. The web browser establishes a TCP connection with the web server. 3. The web server sends the requested webpage using HTTP. 4. The web browser resolves the domain name using DNS.