eJPT Network Protocols and Traffic Analysis

Question 1

Which protocol operates at Layer 3 of the OSI model and is responsible for logical addressing and routing?

Accepted Answer

IP

Answer

IP (Internet Protocol) operates at Layer 3 and handles logical addressing and packet routing between networks.

Question 2

What does ARP stand for in networking?

Accepted Answer

Address Resolution Protocol

Answer

ARP stands for Address Resolution Protocol and maps IP addresses to MAC addresses on a local network.

Question 3

Which Wireshark display filter shows only HTTP traffic?

Accepted Answer

http

Answer

The display filter 'http' in Wireshark isolates HTTP protocol packets for analysis.

Question 4

In a TCP three-way handshake, what is the correct sequence of flags?

Accepted Answer

SYN, SYN-ACK, ACK

Answer

The TCP three-way handshake uses SYN from client, SYN-ACK from server, and ACK from client to establish a connection.

Question 5

Which protocol is used to automatically assign IP addresses to hosts on a network?

Accepted Answer

DHCP

Answer

DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses, subnet masks, and gateway info to network hosts.

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