connect and protect networks and network security coursera weekly challenge 2 answers
Test your knowledge: Recognize different network protocols
1. Fill in the blank: Network protocols are rules used by two or more devices on a network to describe the _____ and structure of data.
- access level
- optimum speed
- order of delivery
- maximum size
2. Which network protocol provides a secure method of communication between clients and web servers?
- TCP
- ARP
- HTTPS
- DNS
3. To keep information safe from malicious actors, what security protocol can be used?
- Secure sockets layer and transport layer security (SSL/TLS)
- Address resolution protocol (ARP)
- Domain name system (DNS)
- Transmission control protocol (TCP)
4. IEEE 802.11, also known as Wi-Fi, is a set of standards that define communication for wireless LANs.
- True
- False
Test your knowledge: System identification
5. What monitors and filters traffic coming in and out of a network?
- Domain name system (DNS)
- Firewall
- Forward proxy server
- Uncontrolled zone
6. Stateless is a class of firewall that keeps track of information passing through it and proactively filters out threats.
- True
- False
7. Fill in the blank: Encapsulation is a process performed by a _____ that protects information by wrapping sensitive data in other data packets.
- firewall
- VPN service
- proxy server
- security zone
8. Which security zone is used to ensure highly confidential information and is only accessible to employees with certain privileges?
- Management zone
- Uncontrolled zone
- Restricted zone
- Demilitarized zone (DMZ)
Shuffle Q/A 1
9. Fill in the blank: A security analyst uses a _____ to regulate and restrict access to an internal server from the internet. This tool works by accepting traffic from external parties, approving it, and forwarding it to internal servers.
- reverse proxy server
- port filter
- controlled zone
- forward proxy server
Weekly challenge 2
10. What network protocol translates the domain name of a website’s server into an IP address?
- File transfer protocol (FTP)
- Domain name system (DNS)
- Transmission control protocol (TCP)
- Hypertext transfer protocol secure (HTTPS)