Exam 2: Tcpip Concepts Review

Often technical personnel who aren't familiar with security techniques think that restricting access to ports on a router or firewall can protect a network from attack. Is this a good solution?

The binary number 11000001 converted to decimal is ____.

What is ICMP used for?

Based on the starting decimal number of the ____ byte, you can classify IP addresses as Class A, Class B, or Class C.

In the TCP/IP stack, the ____ layer uses IP addresses to route packets.

The SMTP service uses port ____.

To retrieve e-mail from a mail server, you most likely access port 119.

What is a Class B IP address?

In the TCP/IP stack, the ____ layer is concerned with controlling the flow of data, sequencing packets for reassembly, and encapsulating the segment with a TCP or UDP header.

What is DNS used for?

In addition to a unique network address, each network must be assigned a(n) ____________________, which helps distinguish the network address bits from the host address bits.

MATCHING Match each term with the correct statement below. -the primary protocol used to communicate over the World Wide Web

The POP3 service uses port ____.

In the TCP/IP stack, the ____________________ layer represents the physical network pathway and the network interface card.

MATCHING Match each term with the correct statement below. -TCP header flag used to deliver data directly to an application

A(n) ____ is the logical, not physical, component of a TCP connection.

MATCHING Match each term with the correct statement below. -allows different operating systems to transfer files between one another