Chapter 16 - Network Security Flashcards
Angela, an IT staff member at ACME Inc., notices that communication with the company’s web server is very slow. After investigating, she determines that the cause of the slow response is a computer on the internet sending a very large number of malformed web requests to ACME’S web server. What type of attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
denial of service (DoS) attack
Jeremiah was browsing the internet from his personal computer when a random website offered a free
program to clean his system. After the executable was downloaded and running, the operating system
crashed. Crucial operating system related files had been corrupted and Jeremiah’s computer required a
full disk format and operating system re-installation. What type of attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
malware attack
A computer is used as a print server for ACME Inc. The IT staff failed to apply security updates to this computer for over 60 days. Now the print server is operating slowly, and sending a high number of
malicious packets to its NIC. What type of attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
denial of service (DoS) attack
Sharon, an IT intern at ACME Inc., noticed some strange packets while revising the security logs
generated by the firewall. A handful of IP addresses on the internet were sending malformed packets to
several different IP addresses, at several different random port numbers inside ACME Inc. What type of
attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
reconnaissance attack
George needed to share a video with a co-worker. Because of the large size of the video file, he decided to run a simple FTP server on his workstation to serve the video file to his co-worker. To make things easier, George created an account with the simple password of “file” and provided it to his co-worker on Friday.
Without the proper security measures or a strong password, the IT staff was not surprised to learn on Monday that George’s workstation had been compromised and was trying to upload work related documents to the internet. What type of attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
access attack
Arianna found a flash drive lying on the pavement of a mall parking lot. She asked around but could notfind the owner. She decided to keep it and plugged it into her laptop, only to find a photo folder. Feeling curious, Arianna opened a few photos before formatting the flash drive for her own use. Afterwards, Arianna noticed that her laptop camera was active. What type of attack is described in this scenario?
access attack
denial of service (DoS) attack
malware attack
reconnaissance attack
malware attack
Which device controls traffic between two or more networks to help prevent unauthorized access?
AAA Server
firewall
ESA/WSA
IPS
firewall
Which device is used by other network devices to authenticate and authorize management access?
AAA Server
firewall
ESA/WSA
IPS
AAA Server
Which backup policy consideration is concerned with using strong passwords to protect the backups and for restoring data?
frequency
storage
security
validation
security
This zone is used to house servers that should be accessible to outside users.
inside
outside
internet
DMZ
DMZ
Which is appropriate for providing endpoint security?
a AAA server
antivirus software
a server-based firewall
an ESA/WSA
antivirus software
Which component is designed to protect against
unauthorized communications to and from a
computer?
antimalware
security centre
firewall
antivirus
port scanner
firewall
Which command will block login attempts on
RouterA for a period of 30 seconds if there are 2
failed login attempts within 10 seconds?
RouterA(config)# login block-for 30
attempts 10 within 2
RouterA(config)# login block-for 2
attempts 30 within 10
RouterA(config)# login block-for 10
attempts 2 within 30
RouterA(config)# login block-for 30
attempts 2 within 10
RouterA(config)# login block-for 30
attempts 2 within 10
What is the purpose of the network security
accounting function?
to keep track of the actions of a user
to provide challenge and response
questions
to determine which resources a user can
access
to require users to prove who they are
to keep track of the actions of a user
