______________ is NOT the Passive Reconnaissance

• A) Port scanning
• B) Sniffing
• C) War dialing
• D) War driving

Single _____ connection is used to send and receive multiple HTTP requests/responses.

• A) FTP
• B) SMTP
• C) TCP
• D) UDP

Compression, caching and concatenation are used to reduce ____________

• A) LAN utilization
• B) None of the given
• C) VLAN utilization
• D) WAN utilization

Which of the following is not used to implement the DoS Attack?

• A) Large computational load
• B) Sniffer Attack
• C) TCP Syn attack
• D) Ping attack

In network flow theory, the function maxflow(s, t) mathematically represents ____________.

• A) The total number of possible paths from "s" to "t" in the network.
• B) The shortest path between node "s" and node "t" in terms of hop count.
• C) The minimum bandwidth required to prevent congestion between "s" and "t".
• D) The maximum amount of traffic that can be sent from source node "s" to sink node "t".

The percent of total available capacity in use for a network is called_____________

• A) Optimization
• B) accuracy
• C) Utilization
• D) reliability

A drawback of min-hop routing is _________.

• A) It always selects the physically shortest path, ignoring network topology.
• B) It requires excessive computational overhead compared to other routing algorithms.
• C) A path with fewer hops might include slow or congested links, while a slightly longer path (more hops) could have higher bandwidth or lower latency.
• D) It fails to work in networks using hierarchical addressing schemes like IP.

One of the advantage of cache response time is that, that it reduces the response time for ____________.

• A) client request
• B) memory request
• C) CPU request
• D) disk request

HTTP is based on ______ messages.

• A) random
• B) multiple
• C) users
• D) sequenced

The amount of time between a request for some network service and a response to the request is called ___________

• A) Mean time
• B) Delivery time
• C) Response time
• D) Waiting time

__________ measures the Round Trip Time (RTT) of a IP packet flowing between end-user node and ISP’s recursive resolver in seconds.

• A) Traffic Tolerance (TT)
• B) Incoming Traffic Variation (ITV)
• C) Incoming Bandwidth Consumption (IBC)
• D) DNS Requests per Seconds (DNSR)

Which one of the following is NOT the factor affecting efficiency?

• A) Access protocols
• B) Hard drive size
• C) Frame size
• D) Serialization delay on WAN

Delay jitter bounds__________difference in total delay of different packets

• A) average
• B) total
• C) maximum
• D) minimum

Which of the following factors involved in characterizing the web server?

• A) Security and Adaptability
• B) Performance and usability
• C) Scalability and Availability
• D) Processing time and Time out interval

In Selective repeat strategy, buffer limit at sender is ……….

• A) Equal to or Greater than w
• B) Equal to or less than w
• C) Greater than w
• D) No limits

The de-multiplexer assigns recpective data to respective ____________.

• A) Hubs
• B) Router
• C) Ports
• D) Destinations

__________ defines several common classes of service with associated queue priorities and drop precedence on a per-hop basis.

• A) MPLS
• B) RSVP-TE
• C) IntServ
• D) DiffServ

________ and _______ methods are used in HTTP/1.1 to upload and delete files in the URL field.

• A) Post and Delete
• B) Put and Delete
• C) Post and Remove
• D) Put and Remove

During data transmission packet loss occur due to -------------- in network.

• A) Data flood
• B) Data retransmission
• C) Data Compression
• D) Data congestion

___________ is an alternative to shortest path routing.

• A) Least-loaded routing
• B) All of the given
• C) Widest-shortest path
• D) Shortest-widest path