Llc and mac - Study guides, Class notes & Summaries

CWNA Questions with complete solution 2023/2024Data Link (MAC and LLC) and Physical (PMD and PLCP) - correct answer What two layers does WLAN technology operate on? 400 ns - increases data rates but not suitable for reflective environments - correct answer Short GI 800 ns - standard, lowers data rates but is more suitable for reflective environments (large warehouses, etc) - correct answer Long GI Frame Aggregation - correct answer Allows for larger frame sizes therefore greater through...

CWAP - Chapter 1 Correctly Answered Questions 2024. What are the 3 types of frames used for 802.11 communications? - correct answer Control, Management and Data Frames What are the 7 layers of the OSI model? - correct answer Application, Presentation, Session, Transport, Network, Data Link, Physical The Data Link Layer is broken up into these 2 sub layers? - correct answer The upper portion or Logical Link Control (LLC) and the lower portion or Media Access Control (MAC) sublayer A uni...

DCOM 101 Final Exam questions with answers The Physical layer has been divided into two sublayers, called the LLC sublayer and the MAC sublayer - ANSWERS False Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer? - ANSWERS Data Link Which layer is responsible for establishing communication setup between the source and destination computers? - ANSWERS Session Switches operate at this layer - ANSWERS Data Link Layer Hubs ope...

CWAP Chapter 1 Correctly Answered Questions 2024. What are the two sub-layers of the data-link layer? - correct answer LLC and MAC What are the two sub-layers of the physical layer? - correct answer PLCP and PMD The IP packet plus LLC data is known as what type of data unit? - correct answer MSDU The Mac sub-layer encapsulates the ------- in the --------. - correct answer "MSDU, MPDU" What does the Mac sub-layer add to the MSDU? - correct answer MAC header and Trailer

CWAP Question and answers rated A+ 2023/2024List the order of the protocol units from L2 to L1 - correct answer MSDU MPDU PSDU PPDU What is included in the MSDU? - correct answer The MSDU includes the IP Datagram and the LLC Header What is included in the MPDU? - correct answer The MPDU includes MAC Header, the MSDU (IP Datagram and LLC Header), and FCS What is included in the PPDU? - correct answer The Preamble, Header, and PSDU / MPDU (Mac Header, LLC Header, IP Datagram, a...

What is the function of the Application Layer? - Answer- Allows access to network services that support applications. Handles network access, flow control and error recovery. DHCP, DNS, FTP, HTTP, Telnet, SMTP, POP3, SNMP, SSH, IMAP4, NNTP, NTP. What is the function of the Presentation Layer? - Answer- Compression, decompression, encryption and decryption. Translates from application to network format and vice versa. SSL, WEP, WPA, Kerberos, JPEG, GIF, MPEG, ASCII. What is the function of ...

A network administrator enters the service password-encryption command into the configuration mode of a router. What does that command accomplish? - This command prevents someone from viewing the running configuration passwords. A small business user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used? - DSL An administrator is trying to configure the switch but receives the error message that is di...

What are advantages and disadvantages of a layered architecture? - Separation of concerns among logical layers promotes flexibility, scalibility, and maintainability. Multiple applications can reuse the components. It enables teams to work on different parts with minimal dependencies on other teams What are the similarities of the OSI model and five-layered Internet model? - They are both based on layered architecture. The are comparable to each other - see image 1 Both are networking stand...

What is the range of Well known TCP and UDP Ports? - -below 1024 What are the 4 layers of the TCP/IP stack? - -Network Interface, Internet , Transport, & Application, Which Approach to bandwidth usage consumes all available frequencies on a medium to transmit data? - -Baseband What is the Well Know port for NTP? - -123 What Layer of the OSI Model is Windowing provided at? - -Transport layer Which layer of the OSI reference model contains the MAC and the LLC Sub layers? - -Data link layer

DCOM 101 Final Exam questions with answers The Physical layer has been divided into two sublayers, called the LLC sublayer and the MAC sublayer - ANSWERS False Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer? - ANSWERS Data Link Which layer is responsible for establishing communication setup between the source and destination computers? - ANSWERS Session Switches operate at this layer - ANSWERS Data Link Layer Hubs ope...