300+ câu trắc nghiệm tiếng anh chuyên nghành bảo mật thông tin có đáp án - Phần 6

The ... attack essentially realizes that the hash cannot be reversed; rather than trying to find out what the password is, the attacker just sends over the hash. If the attacker can obtain a valid username and user password hashes values (just the hash—the attacker does not know the actual password), then the hacker can use that hash, without ever knowing the actual password.

One of the most widely known examples of ransomeware is the infamous …, first discovered in 2013.

SQL injection is based on what?

What class would the IP address of 193.44.34.12 be?

What kind of connection type has 155 Mbps speed?

What kind of connection type has 1.54 Mbps speed?

What is SAM?

Which layer of the OSI model is divided into two sublayers?

What does HTTP mean?

What kind of cable has 40Gbps speed?

Recall that the second way a virus scanner works is to watch for certain types of behaviors that are … of a virus. This might include any program that attempts to write to your hard drive’s boot sector, change system files, automate your email software, or self-multiply. Programs that attempt to modify the system Registry (for Windows systems) or alter any system settings may also be indicative of a virus.

What is the malware?

Rombertik uses the … to read user credentials to websites. It is most often sent as an attachment to an email. Perhaps even worse, in some situations it will either … the master boot record on the hard drive, making the machine unbootable, or begin encrypting files in the user’s home directory.

What is spyware?

Which of the following is a vulnerability scanner specifically for Windows systems?

A …, no matter what type you get, is basically a tool to block certain traffic.

A … hacker is normally a law-abiding citizen, but in some cases will venture into illegal activities

IDS is

A person who uses hacking techniques for illegal activities is referred to as what?

Of course, just one machine in your classroom or lab that is simply pinging on your web server is not going to ......... affect the web server

What factor about the Sobig virus made it most intriguing to security experts?

Choose the wrong feature of computer virus.

What protocol is used for remotely logging on to a computer?

A key logger is what type of malware?

If you send a packet (a unit of data transmission) from one computer to another, a copy of that packet is actually sent out from every port on the …

Likewise, ......DoS attacks use much more sophisticated methods.

Which of the following is the safest way to send and receive attachments?

Firewalls and proxy servers guard the perimeter by … and …

What kind of cable has low-speed analog and uses for telephone,doorbell?

Which of the following is a popular port scanner?