DIG08 Revision

What is a CPU?

• The CPU is the main processing unit of a computer.
• The CPU is a peripheral component of a computer.
• The CPU is a storage device for data.
• The CPU is a type of software.

What is a DDoS attack?

• A DDoS attack is a security measure to protect against unauthorized access.

• A DDoS attack is a method to enhance service availability by distributing traffic.
• A DDoS attack is an attempt to make a service unavailable by overwhelming it with traffic from multiple sources.

• A DDoS attack is a type of malware that infects a single computer.

Which is faster?

• Wired

• Wireless

What does a firewall do?

• A firewall protects networks by filtering traffic and preventing unauthorized access.
• A firewall acts as a physical barrier against natural disasters.
• A firewall is used to enhance Wi-Fi coverage in homes.
• A firewall increases internet speed by boosting signals.

You get an email saying that you've won a free iPhone from a competition, but you didn't sign up to any competitions. What kind of attack is this?

• DDoS

• Virus

• Phishing

What is the primary function of RAM in a computer?

• RAM is used to store data permanently.

• RAM is used to temporarily store data that is actively being used by the CPU.

• RAM is a type of external storage device.

• RAM is used to enhance the graphics performance of a computer.

Which of the following is a common sign of a phishing attempt?

• A notification from a social media platform about a new friend request.

• A message from your bank with your account details.

• An email with a generic greeting and a request for personal information.

• Receiving an email from a known contact with a familiar subject line.

What is an IP address?

• An IP address is a unique numerical label assigned to each device on a network.
• An IP address is a physical address assigned to a building.
• An IP address is a software application for managing networks.
• An IP address is a type of internet protocol used for email.

Which internet protocol directs packets to applications

• HTTP

• IP

• SMTP

• TCP

When you send an email, your computer sends it to the ​ (a)   which connects your computer to the network through an ​ (b)   . Then the email is sent to the ​ (c)   which connects it to another network. Now your email has reached your friend's network and they can receive your email.

• modem
• TCP
• server
• IP
• ISP
• router