Network architecture, protocols, and secure communication concepts tested on CISSP Domain 4.
41 cards · basic cards · AI-written, checked twice. Edit anything.
- What OSI layer handles physical transmission of data over cables and connectors?
- Layer 1, the Physical layer
- What OSI layer handles frame formatting and MAC addressing?
- Layer 2, the Data Link layer
- What OSI layer handles logical addressing and routing?
- Layer 3, the Network layer
- What OSI layer is responsible for end-to-end communication and reliability?
- Layer 4, the Transport layer
- What OSI layer manages communication sessions between applications?
- Layer 5, the Session layer
- What OSI layer handles data formatting, encryption, and compression?
- Layer 6, the Presentation layer
- What OSI layer provides network services directly to user applications?
- Layer 7, the Application layer
- What Layer 4 protocol ensures reliable, ordered delivery of data segments?
- TCP (Transmission Control Protocol)
- What Layer 4 protocol is connectionless and does not guarantee delivery?
- UDP (User Datagram Protocol)
- What protocol is used for error reporting and diagnostic functions like ping?
- ICMP (Internet Control Message Protocol)
- What protocol translates domain names to IP addresses, and what is its default port?
- DNS (Domain Name System), port 53
- What protocol dynamically assigns IP addresses to network devices?
- DHCP (Dynamic Host Configuration Protocol)
- What protocol encrypts HTTP traffic and what is its default port?
- TLS (Transport Layer Security), uses port 443 for HTTPS
- What is the primary purpose of HTTPS over HTTP?
- To encrypt data in transit and authenticate the server using TLS/SSL
- What does IPsec stand for and at what layer does it operate?
- Internet Protocol Security, operates at Layer 3 (Network layer)