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