GIAC Systems and Network Auditor (GSNA)

Explanation:

In order to accomplish the given tasks, you will have to use the following commands:
router1(config)#ip domain-name network.com router1(config)#crypto key zeroize rsa
router1(config)#crypto key generate rsa general-keys modulus 1024 router1(config)#ip ssh time-out 30
router1(config)#ip ssh authentication-retries 4
router1(config)#line vty 0 4
router1(config-line)#transport input ssh

Explanation:

Following are the basic file editing and viewing commands in Unix:

Explanation:

In order to accomplish the task, you will have to configure the routers at all locations to use IPSec in tunnel mode. Tunnel mode protects the WAN traffic. If you configure IPSec on routers, no security for the WAN communication is required on other servers and workstations.

Explanation:

In the above diagram, the raw data is available in the Application layer of the TCP/IP model. The data coded according to the Application layer protocols is encapsulated into one or more transport layer protocols, which finally used by the lower layer protocols to affect the actual data transfer.
In the Transport layer, the data is combined with the UDP header. The responsibilities of the Transport Layer include end-to-end message transfer capabilities independent of the underlying network, along with error control, segmentation, flow control, congestion control, and application addressing (port numbers).
In the Internet layer, the data and UDP header are combined to form an IP data, which is navigated by the IP header across the Internet for its exact destination.
In the Link layer, the IP data and IP header combine to form the final frame data, which is accompanied by the Frame header and Frame Footer. The Link Layer is used to move packets between the Internet Layer interfaces of two different hosts on the same link. Main function of the Link layer is to add a packet header to prepare it for transmission and then actually transmit the frame over a physical medium.

Explanation:

There are four major CLI access modes: User: When a user accesses the command-line interface (CLI) of a Cisco switch IOS, the IOS puts the user in user mode. The user mode allows the user to look around; it does not permit the user to change or
break any configuration. When the user enters a command, the switch executes the command and displays the command result. A Limited set of commands is available for use in the user mode. User mode is also called user EXEC mode. The prompt in this mode is displayed as hostname > Enable: Privileged
EXEC mode is an area from where more powerful commands can be run while accessing CLI of a switch IOS. In this mode, more commands are added to the set of commands available in user mode. Privileged EXEC mode is also known as privileged mode or enable mode. For reaching privileged EXEC mode, the enable command is required to be run from user mode. By default, a user cannot get into privileged EXEC mode through SSH and Telnet sessions. The prompt changes from hostname > to hostname # when a
user moves to privileged EXEC mode from user mode.
Global configuration: Global configuration mode is an access mode of Cisco command-line interface (CLI).
The configuration commands can be run in this mode only. Commands run in this mode update the active configuration file as soon as the Enter key is pressed at the end of a command. The config command is required to be run from the enable mode to switch to the global configuration mode. The prompt changes to hostname (config)# from hostname# when access mode is changed to global configuration mode from enable mode.
Interface configuration: Interface configuration mode is a subcommand mode of the global configuration access mode of Cisco command-line interface (CLI). The interface command is used to move from global configuration mode to the interface configuration mode. The prompt changes to hostname (config-if)# from hostname (config)# when a user moves from global configuration mode to interface configuration mode.
After entering the interface configuration mode, the commands executed affects only the interface that the user has selected. For example, the interface FastEthernet 0/1 command will put a user in the interface configuration mode.
Commands executed afterwards will affect only the FastEthernet 0/1.

Explanation:

Session timeout is an event that occurs when a session is invalidated if a user does not use the session for a specified period of time. Session timeout can be set in the following two ways:

1. Setting timeout in deployment descriptor: This can be done by specifying timeout between the <session-
timeout> tags as follows:

<session-config>
<session-timeout> 10 </session-timeout>
<session-config>

This will set the time for session timeout to ten minutes.

2. Setting timeout programmatically: This will set the timeout for a specific session. The syntax for setting the timeout programmatically is as follows:

session.setMaxInactiveInterval(10*60)

In this method, the timeout is specified in seconds. Hence, this will set the time for session timeout to ten minutes.

Explanation:

Less is a program in Unix that allows backward as well as forward movement in the file. The syntax of the less command is as follows:
less [options] file_name

Explanation:

Windows Defender is a software product designed by Microsoftto provide continuous security against malware. If it detects anything suspicious, an alert will appear on the screen. Windows Defender can also be used to scan a computer for suspicious software. It can remove or quarantine any malware or spyware it finds.
Clicking on the Security Center icon will show the status of malware protection, status of firewall, and other security settings.
Clicking on the Windows Firewall icon will open the Windows Firewall dialog box and allow a user to configure the Windows Firewall settings.

Explanation:

The commands that are configured on router C are as follows: Router C(config)#router isis Router C(config)#net 49.0001.0000.0000.000c.00
RouterC(config)#interface ethernet 1
Router C(config-if)#ip router isis
Router C(config-if)#exit
Router C(config)#interface ethernet 2
Router C(config-if)#ip router isis

Explanation:

In order to ensure that the laptop users use smart cards for authentication, you will have to configure IEEE 802.1X authentication using the EAP-TLS protocol on the network.