Network and Security - Foundations - D315 |250
questions with verified answers
.PAN Ans✓✓✓-a network that is centered around a person and their devices.
(Secure Copy Protocol Ans✓✓✓-scp
A _______ attack send TCP/IP traffic to each and every port to learn which
services are running. Ans✓✓✓-Port scanning
A client on your network has had no problems accessing the wireless network in
the past, but recently she moved to a new office. Since the move, she cannot
access the network. Which of the following is most likely the cause of the
problem? Ans✓✓✓-The client system has moved too far from the WAP.
A company needs to secure the network using a security system that can inspect
the network traffic's payload to prevent attacks. What type of firewall would you
recommend? Ans✓✓✓-Application Firewall
A firewall method in which each packet that attempts to pass through the firewall
is examined to determine its contents. The packet is then allowed to pass, or it is
blocked, as appropriate. Ans✓✓✓-Packet filter
A hub is the device of choice to decrease traffic on a network segment. Ans✓✓✓-
False
A layer 2 attack that deceives a device on a network and poisons the table
associations of other devices. Ans✓✓✓-ARP poisoning
,A malicious user was able to perform a password brute force attack on a human
resource email account and is now reading through all their emails. Which
category of the CIA triad was compromised? Ans✓✓✓-Confidentiality
A network admin is configuring an application and needs to be sure that port
4432 is open what tool should the admin use? Ans✓✓✓-nmap
A router is a Layer 3 device. Ans✓✓✓-True
A security analyst identifies malware that is traced back to the IP address
93.184.216.34. Which one of the following tools might the security analyst use to
determine if an active connection to that IP address still resides on the infected
system? Ans✓✓✓-netstat
A single cable break can cause complete network disruption and it uses a single
backbone to connect all network devices. Ans✓✓✓-BUS Topology
a social engineering attack commonly done through email across a large audience.
Ans✓✓✓-Phishing
A stateful firewall uses Stateful Packet Inspection to protect the network. How
does this type of firewall operate? Ans✓✓✓-A stateful firewall that compares all
inbound traffic to ensure there is an outbound request.
A switch is a Layer 1 device and unlike a hub it creates a direct connection to
devices on the network. Ans✓✓✓-False
,A third world country has solicited the services of several hackers to perform an
attack on the U.S. treasury department? Which time of attack would this be
classified as? Ans✓✓✓-Nation State Espionage
A user is setting up his new work account and sets his password to password01 so
he can easily remember it. What type of vulnerability did his password choice
create? Ans✓✓✓-Weak password
A user is upset that he has just been fired and decides to perform a ping flood
attack on the email server. What type of attacker would this user be considered?
Ans✓✓✓-Insider threat
Accounting Ans✓✓✓-Report on user's access Provides forensic trail after a
security breach Logs successful and unsuccessful connection attempts
Ad-hoc Ans✓✓✓-all wireless communication is performed in a peer-to-peer
fashion and does not require or involve a WAP
Address Resolution Protocol Ans✓✓✓-ARP
Although a NIC card is found in a router, switch and computer, the basic
operation is to simply transmit a signal therefore; which layer(s) does a NIC card
assigned on the OSI model? Ans✓✓✓-Layer 1
An admin wants to look for video/audio in the network traffic logs. Which Layer 4
protocol should the admin filter results by? Ans✓✓✓-UDP
, An administrator takes a new firewall out the box and plugs it into the network
without making any changes. What type vulnerability did this create? Ans✓✓✓-
Default password
An attacker repeatedly enters the wrong password for the managers account and
has now locked the account. Which category of the CIA triad was compromised?
Ans✓✓✓-Availability
An attacker was able to perform a denial of service attack on the email server and
now users are unable to retrieve their emails. Which category of the CIA triad was
compromised? Ans✓✓✓-Availability
An organization is increasingly subject to compliance regulations and is making
strong efforts to comply with them but is still concerned about issues that might
occur. Management decides to buy insurance to help cover the costs of a
potential breach. Which of the following risk response techniques is the
organization using? Ans✓✓✓-Transference
An unauthorized user was able to change some of the data in an accounting
department's excel spreadsheet. Which category of the CIA triad was
compromised? Ans✓✓✓-Integrity
Application Layer Ans✓✓✓-This layer is responsible for network applications (like
HTTP or FTP) and their production of data to be transferred over the network.
Application Layer Ans✓✓✓-This layer is responsible for the communication
protocols between nodes. The protocols in this layer include hypertext transfer
protocol (HTTP and HTTPS), Secure Shell (SSH), and network time protocol (NTP),
among many others.
questions with verified answers
.PAN Ans✓✓✓-a network that is centered around a person and their devices.
(Secure Copy Protocol Ans✓✓✓-scp
A _______ attack send TCP/IP traffic to each and every port to learn which
services are running. Ans✓✓✓-Port scanning
A client on your network has had no problems accessing the wireless network in
the past, but recently she moved to a new office. Since the move, she cannot
access the network. Which of the following is most likely the cause of the
problem? Ans✓✓✓-The client system has moved too far from the WAP.
A company needs to secure the network using a security system that can inspect
the network traffic's payload to prevent attacks. What type of firewall would you
recommend? Ans✓✓✓-Application Firewall
A firewall method in which each packet that attempts to pass through the firewall
is examined to determine its contents. The packet is then allowed to pass, or it is
blocked, as appropriate. Ans✓✓✓-Packet filter
A hub is the device of choice to decrease traffic on a network segment. Ans✓✓✓-
False
A layer 2 attack that deceives a device on a network and poisons the table
associations of other devices. Ans✓✓✓-ARP poisoning
,A malicious user was able to perform a password brute force attack on a human
resource email account and is now reading through all their emails. Which
category of the CIA triad was compromised? Ans✓✓✓-Confidentiality
A network admin is configuring an application and needs to be sure that port
4432 is open what tool should the admin use? Ans✓✓✓-nmap
A router is a Layer 3 device. Ans✓✓✓-True
A security analyst identifies malware that is traced back to the IP address
93.184.216.34. Which one of the following tools might the security analyst use to
determine if an active connection to that IP address still resides on the infected
system? Ans✓✓✓-netstat
A single cable break can cause complete network disruption and it uses a single
backbone to connect all network devices. Ans✓✓✓-BUS Topology
a social engineering attack commonly done through email across a large audience.
Ans✓✓✓-Phishing
A stateful firewall uses Stateful Packet Inspection to protect the network. How
does this type of firewall operate? Ans✓✓✓-A stateful firewall that compares all
inbound traffic to ensure there is an outbound request.
A switch is a Layer 1 device and unlike a hub it creates a direct connection to
devices on the network. Ans✓✓✓-False
,A third world country has solicited the services of several hackers to perform an
attack on the U.S. treasury department? Which time of attack would this be
classified as? Ans✓✓✓-Nation State Espionage
A user is setting up his new work account and sets his password to password01 so
he can easily remember it. What type of vulnerability did his password choice
create? Ans✓✓✓-Weak password
A user is upset that he has just been fired and decides to perform a ping flood
attack on the email server. What type of attacker would this user be considered?
Ans✓✓✓-Insider threat
Accounting Ans✓✓✓-Report on user's access Provides forensic trail after a
security breach Logs successful and unsuccessful connection attempts
Ad-hoc Ans✓✓✓-all wireless communication is performed in a peer-to-peer
fashion and does not require or involve a WAP
Address Resolution Protocol Ans✓✓✓-ARP
Although a NIC card is found in a router, switch and computer, the basic
operation is to simply transmit a signal therefore; which layer(s) does a NIC card
assigned on the OSI model? Ans✓✓✓-Layer 1
An admin wants to look for video/audio in the network traffic logs. Which Layer 4
protocol should the admin filter results by? Ans✓✓✓-UDP
, An administrator takes a new firewall out the box and plugs it into the network
without making any changes. What type vulnerability did this create? Ans✓✓✓-
Default password
An attacker repeatedly enters the wrong password for the managers account and
has now locked the account. Which category of the CIA triad was compromised?
Ans✓✓✓-Availability
An attacker was able to perform a denial of service attack on the email server and
now users are unable to retrieve their emails. Which category of the CIA triad was
compromised? Ans✓✓✓-Availability
An organization is increasingly subject to compliance regulations and is making
strong efforts to comply with them but is still concerned about issues that might
occur. Management decides to buy insurance to help cover the costs of a
potential breach. Which of the following risk response techniques is the
organization using? Ans✓✓✓-Transference
An unauthorized user was able to change some of the data in an accounting
department's excel spreadsheet. Which category of the CIA triad was
compromised? Ans✓✓✓-Integrity
Application Layer Ans✓✓✓-This layer is responsible for network applications (like
HTTP or FTP) and their production of data to be transferred over the network.
Application Layer Ans✓✓✓-This layer is responsible for the communication
protocols between nodes. The protocols in this layer include hypertext transfer
protocol (HTTP and HTTPS), Secure Shell (SSH), and network time protocol (NTP),
among many others.
