What type of malware allows an attacker to modify an operating system using admin level tools?

$1$ point

A rootkit

A keylogger

A zero day vulnerability

A DoS attack

$5.$ An employee at a company plugs a router into the corporate network to make a simple wireless network. An attacker outside the building uses it to get access to the corporate network. What is the name of this type of attack?

SYN flood attack

A DNS cache poisoning attack

A rogue AP $($Access Point$)$ attack

A Denial$-$of$-$Service $($DoS$)$ attack

$6.$ Which of the following can occur during a ping of death $($POD$)$ attack? Select all that apply.

A buffer overflow

Phishing

Execution of malicious code

Baiting