You are monitoring your network traffic with the Wireshark utility and noticed that your network is experiencing a large amount of traffic from a certain region. You suspect a DoS incident on the network. What will be your
first reaction as a first responder?
The bank where you work has 600 windows computers and 400 Red Hat computers which primarily serve as bank teller consoles. You have created a plan and deployed all the patches to the Windows computers and
you are now working on updating the Red Hat computers. What command should you run on the network to update the Red Hat computers, download the security package, force the package installation, and update all
currently installed packages?
Alex is administrating the firewall in the organization's network. What command will he use to check all the remote addresses and ports in numerical form?
Sean has built a site-to-site VPN architecture between the head office and the branch office of his company. When users in the branch office and head office try to communicate with each other, the traffic is
encapsulated. As the traffic passes though the gateway, it is encapsulated again. The header and payload both are encapsulated. This second encapsulation occurs only in the __________implementation of a VPN.
The agency Jacob works for stores and transmits vast amounts of sensitive government data that cannot be compromised. Jacob has implemented Encapsulating Security Payload (ESP) to encrypt IP traffic. Jacob
wants to encrypt the IP traffic by inserting the ESP header in the IP datagram before the transport layer protocol header. What mode of ESP does Jacob need to use to encrypt the IP traffic?
Larry is responsible for the company's network consisting of 300 workstations and 25 servers. After using a hosted email service for a year, the company wants to control the email internally. Larry likes this idea because
it will give him more control over the email. Larry wants to purchase a server for email but does not want the server to be on the internal network due to the potential to cause security risks. He decides to place the server
outside of the company's internal firewall. There is another firewall connected directly to the Internet that will protect traffic from accessing the email server. The server will be placed between the two firewalls. What
logical area is Larry putting the new email server into?
------------is a group of broadband wireless communications standards for Metropolitan Area Networks (MANs)
Elden is working as a network administrator at an IT company. His organization opted for a virtualization technique in which the guest OS is aware of the virtual environment in which it is running and
communicates with the host machines for requesting resources. Identify the virtualization technique implemented by Elden’s organization.
John has implemented________in the network to restrict the limit of public IP addresses in his organization and to enhance the firewall filtering technique.
Phishing-like attempts that present users a fake usage bill of the cloud provider is an example of a:
Steven's company has recently grown from 5 employees to over 50. Every workstation has a public IP address and navigated to the Internet with little to no protection. Steven wants to use a firewall. He also wants IP
addresses to be private addresses, to prevent public Internet devices direct access to them. What should Steven implement on the firewall to ensure this happens?
A newly joined network administrator wants to assess the organization against possible risk. He notices the organization doesn't have a________identified which helps measure how risky an activity is.
Ross manages 30 employees and only 25 computers in the organization. The network the company uses is a peer-to-peer. Ross configures access control measures allowing the employees to set their own control
measures for their files and folders. Which access control did Ross implement?
Which among the following is used to limit the number of cmdlets or administrative privileges of administrator, user, or service accounts?
James is working as a Network Administrator in a reputed company situated in California. He is monitoring his network traffic with the help of Wireshark. He wants to check and analyze the traffic against a PING sweep
attack. Which of the following Wireshark filters will he use?
Management asked Adam to implement a system allowing employees to use the same credentials to access multiple applications. Adam should implement the--------------------------authentication technique to satisfy the
John is working as a network defender at a well-reputed multinational company. He wanted to implement security that can help him identify any future attacks that can be targeted toward his organization and
take appropriate security measures and actions beforehand to defend against them. Which one of the following security defense techniques should be implement?
A company wants to implement a data backup method that allows them to encrypt the data ensuring its security as well as access it at any time and from any location. What is the appropriate backup method
that should be implemented?
The--------------protocol works in the network layer and is responsible for handling the error codes during the delivery of packets. This protocol is also responsible for providing communication in the TCP/IP stack.
Which of the following security models enable strict identity verification for every user or device attempting to access the network resources?
1. Zero-trust network model
2. Castle-and-Moat model
Choose the correct order of steps to analyze the attack surface.
Which of the following indicators refers to potential risk exposures that attackers can use to breach the security of an organization?
Consider a scenario consisting of a tree network. The root Node N is connected to two man nodes N1 and N2. N1 is connected to N11 and N12. N2 is connected to N21 and N22. What will happen if any one of the main
A network is setup using an IP address range of 0.0.0.0 to 127.255.255.255. The network has a default subnet mask of 255.0.0.0. What IP address class is the network range a part of?
Fargo, head of network defense at Globadyne Tech, has discovered an undesirable process in several Linux systems, which causes machines to hang every 1 hour. Fargo would like to eliminate it; what
command should he execute?
Harry has sued the company claiming they made his personal information public on a social networking site in the United States. The company denies the allegations and consulted a/an ______for legal advice to defend
them against this allegation.