Cisco Attacks

What is a Malware that holds a computer system captive until a payment is made to the attacker?

• Spyware

• Adware

• Ransomeware

• Virus

What is the most common goal of search engine optimization (SEO) poisoning?

• To trick someone into installing malware or divulging personal information

• To overwhelm a network device with maliciously formed packets

• To build a botnet of zombies

• To increase web traffic to malicious sites

A set of changes done to any program or application with the aim of updating, fixing or improving it is what?

• A fix

• A hack

• An install

• A patch

Which of the following should be carried out to address known software vulnerabilities of a specific application?

• Change the hardware

• Change the software

• Remove the application

• Install a security patch

Which of the following characteristics describe a worm? (Choose Two)

• Infects computers by attaching to software code

• Hides in a dormant state until needed by an attacker

• Travels to new computers without any intervention or knowledge of the user

• Is self-replicating

Which statement about the operation of a standard ACL is incorrect?

• The router extracts the source IPv4 address from the packet header.

• Router starts at top of ACL and compares address to each ACE sequentially

• When a match is made, the ACE either permits or denies the packet

• If there are no matching ACEs in the ACL, the packet is forwarded

Which of the following is an ACL best practice?

• Always test ACLs on a production network.

• Create your ACLs on a production router.

• Document the ACLs using the description ACL command.

• Write the ACL before configuring it on a router.

Which two conditions would cause a router to drop a packet? (Choose two.)

• No inbound ACL exists on the interface where the packet enters the router.

• The ACL affecting the packet does not contain at least one deny ACE.

• Pckt source address doesn't match source permitted in a stndrd inbound ACE.

• No routing table entry exists for the packet destination

• No outbound ACL exists on the interface where the packet exits the router.

Configuring ACL with R1(config)# access-list 1 permit 172.16.0.0 0.0.15.255. Which two IP addresses match ACL statement?

• 172.16.0.255

• 172.16.15.36

• 172.16.16.12

• 172.16.31.24

Which two statements describe appropriate general guidelines for configuring and applying ACLs? (Choose two.)

• Multiple ACLs per protocol and per direction can be applied to interface.

• If an ACL contains no permit statements, all traffic is denied by default.

• The most specific ACL statements should be entered first (top-down nature)

• Standard ACLs are placed closest to the source