210-250 Online Practice Questions and Answers

Which technique ensures protection against simple and noninvasive datarecovery techniques?

A. Clearing

B. Purging

C. Destroying

D. Erasing

What is ransomware?

A. A type of malware that compromises a system and then often demands a ransom from the victim to pay the attacker in order for the malicious activity to cease or for the malware to be removed from the affected system

B. A set of tools used by an attacker to elevate his privilege to obtain root-level access in order to completely take control of the affected system

C. A type of intrusion prevention system

D. A type of malware that doesn't affect mobile devices

How does NTP help with monitoring?

A. Using TCP allows you to view HTTP connections between servers and clients.

B. By synchronizing the time of day allows correlation of events from different system logs.

C. To receive system generated emails

D. To look up IP addresses in the system using the FQDN.

You encounter a security alert that traffic with a known TOR exit node has occurred on the network. Which option is the biggest risk?

A. users downloading copyrighted content

B. ransomware communicating after infection

C. data exfiltration

D. user circumvention of the firewall

What are two tools that are provided by Security Onion? (Choose two.)

A. Metasploit

B. StealthWatch

C. Snort

D. Nagios

E. ELSA

Which of the following is an example of a data loss prevention solution?

A. Cisco Advanced DLP

B. Cisco CloudLock

C. Cisco Advanced Malware Protection (AMP)

D. Cisco Firepower 4100 appliances

What two types of attacks are examples of ICMP DoS attacks? (Choose two.)

A. smurf attack

B. blooming onion attack

C. ping of death attack

D. DHCP depletion attack

Which protocol or diagnostic tool helps you determine how many hops away a network is and can be exploited by an attacker?

A. SSH

B. traceroute

C. ping

D. TCP

What is the primary purpose for using a hash algorithm for a message?

A. authentication

B. confidentiality

C. availability

D. integrity

RFC 1918 specifies a set of IP addresses that are reserved for what type of networks?

A. loopback

B. private

C. public

D. broadcast