Installing and conf network comp
Remote Access Capabilities
Secure Network Architecture
Network Reconnaissance & Discovery
IP Addressing
LINUX
100
prevents unauthorized access to the corporate network.
What is a Firewall.
100
Someone working from home may need to this feature to move through a secure tunnel to stay safe from attacks.
What is a VPN
100
The NIDS/NIPS has decided, based on the information gathered, that an attack is taking place. However, when the network administrator investigates it, they find that there is no attack.
What is False Positive
100
This translates the hostname to an IP Address
What is DNS.
100
Private IP address classes
What is A, B, and C
100
764 permission
What is the
USER: R,W,X
GROUP: R,W
EVERYONE ELSE: R
200
This is the port number that each web server uses for communication, and it does not matter whether they use Internet Explorer, Microsoft Edge, Google Chrome, or Firefox.
What is Port 80.
200
SSH is available in these two places
What is in the command line and Graphical User Interface. (GUI)
200
A secure network with very fast links and a web server, called the intranet, that holds internal-only information. This network spreads to a small geographic area like such as a building, campus, or home
What is LAN Local area network
200
This used to test connectivity to another host
What is a Ping
200
Subnets for the Ip classes
What is Class A 255.0.0.0, Class B 255.255.0.0, Class C 255.255.255.0
200
This command shows the permissions of a file or a directory
What is ls -l
300
What is WAF, Web Application Firewall
This is placed on a web server and its role is to protect web based
applications running on the web server
300
consists of either SHA-1 (160 bits) or MD5 (128 bits) hashing protocols, which ensure that the packet header has not been tampered with in transit.
Authenticated Header (AH)
300
Where packets are routed through a controller rather than traditional routers, which improves performance.
A Software Defined Network (SDN)
300
The Linux command in the Windows command to find an IP address of a computer.
What is Ipconfig/Ifconfig.
300
Ip version 4 class ranges
What is:
Class A 1-126
Class B 172.16.x.x - 172.31.x.x
Class C 192.168.x.x
300
Touch sample1 sample2
ls-l sample1 sample2 sample3 >file1 2>file2
What is redirecting the standard output to file 1 and the redirecting the standard error to file2
400
Four Kinds of Firewalls
What is Host-Based Firewall, Network-Based Firewall, Stateful Firewall, Web Application Firewall, Unified Threat Management Firewall, Next Generation Firewall, Open-Source Firewall.
400
This command generates a public and private RSA key pair on the administrator's desktop.
What is
ssh-keygen -t rsa
400
This is created by using the software on the switch where you can bond a number of ports to work together as a separate logical network.
What is VLAN.
400
The difference between Foot printing and Fingerprinting.
Fingerprinting- This is the process of capturing your network traffic, and mapping all of the network devices, protocols, and IP address ranges.
Footprinting: This is looking at the network topology and gathering as much information as you can, such as email addresses. They will identify vulnerabilities within a company that can be used as an attack vector
400
dd if = /dev/sda of = /dev/sdb is doing this
What is copying an entire a hard disk drive to another disk drive
400
These two things must be done to use a virtual hard drive after creating
What is giving it a file system and mounting it
500
To prevent someone from plugging their laptop into a reception area, whereas preventing a rouge server or wireless access point from connecting to the network.
What is Port security and 802.1x
500
These are all symmetric encryption protocols, which means that they can transfer data much faster.
The Encapsulated Security Payload (ESP) uses either DES (56 bits), 3DES (168 bits), or AES (256 bits)
500
What are the two types of Intrusion Prevention Systems and their uses.
The first type is the Network Intrusion Prevention System (NIPS), which can only operate on your network and cannot work inside a host.
The second is called the Host Intrusion Prevention System (HIPS), and it operates inside a host machine and cannot operate on the network.
500
What is netstat which is used to see the established connections and the listening ports
500
192.168.13.2
126.124.3.33
126.121.50.30
172.16.48.16
What is Class C
What is Class A
What is Class A
What is Class B
500
Input : file one.img
Output: one.img:data
What is there is no file system attached to it