Fcs field in a frame Study guides, Class notes & Summaries

1000 CCNA QUESTIONS .1A QUESTIONS AND ANSWERS GRADED A+A frame that enters a switch fails the Frame Check Sequence. Which two interface counters are incremented? (Choose two.) A. input errors B. frame C. giants D. CRC E. runts - answerCorrect Answer: AD Whenever the physical transmission has problems, the receiving device might receive a frame whose bits have changed values. These frames do not pass the error detection logic as implemented in the FCS field in the Ethernet trailer. The recei...

CCNA Focused on Modules 4 & 7 Preparedness baseline Exam knowledge Questions with Expertly written solution 2024/2025 A Layer 2 switch is used to switch incoming frames from a 1000BASE-T port to a port connected to a 100Base-T network. Which method of memory buffering would work best for this task? - port-based buffering - level 1 cache buffering - shared memory buffering - fixed configuration buffering - correct answer shared memory buffering What are two examples of the cut-through...

Which statement is true about the CSMA/CD access method that is used in Ethernet? - Answer- All network devices must listen before transmitting. What type of communication rule would best describe CSMA/CD? - Answer- access method Which three basic parts are common to all frame types supported by the data link layer? - Answer- *Header *Data *Trailer What three items are contained in an Ethernet header and trailer? - Answer- *Source MAC address *Destination MAC address *Error-checki...

What is the primary purpose of a VLAN? To create a broadcast domain; enable segmentation or isolation of broadcast traffic Unassigned Cisco switch ports remain in which VLAN? VLAN 1 Do VLANs prevent broadcast storms? No, they minimize the size and effect of the broadcast storm on neighbor switches and hosts What are four advantages to using VLANs? 1. Enable access to network services based on logical requirements 2. Network security is optimized with VLANs that enable managing and filter...

Match the situation with the appropriate use of network media. - backbone cabling in an enterprise, guest access in a coffee shop, horizontal cabling structure, waiting rooms in a hospital, desktop PCs in an enterprise office, long-haul networks - copper cables, fiber optic, wireless - - copper cables: horizontal cabling structure, desktop PCs in an enterprise office - fiber optic: backbone cabling in an enterprise, long-haul networks - wireless: guest access in a coffeeshop, waiting roo...

Which statement is true about the CSMA/CD access method that is used in Ethernet? - All network devices must listen before transmitting. What type of communication rule would best describe CSMA/CD? - access method Which three basic parts are common to all frame types supported by the data link layer? - *Header *Data *Trailer What three items are contained in an Ethernet header and trailer? - *Source MAC address *Destination MAC address *Error-checking information What are three...

Which statement is true about the CSMA/CD access method that is used in Ethernet? - All network devices must listen before transmitting. What type of communication rule would best describe CSMA/CD? - access method Which three basic parts are common to all frame types supported by the data link layer? - *Header *Data *Trailer What three items are contained in an Ethernet header and trailer? - *Source MAC address *Destination MAC address *Error-checking information What are three...

Match the situation with the appropriate use of network media. - backbone cabling in an enterprise, guest access in a coffee shop, horizontal cabling structure, waiting rooms in a hospital, desktop PCs in an enterprise office, long-haul networks - copper cables, fiber optic, wireless - - copper cables: horizontal cabling structure, desktop PCs in an enterprise office - fiber optic: backbone cabling in an enterprise, long-haul networks - wireless: guest access in a coffeeshop, waiting roo...

CCNA 200-301 acronyms Questions and Answers graded A+ | 2023 AAA Authentication, Authorization, and Accounting. AAA protocols are used in remote access systems. For example, TACACS + is an AAA protocol that uses multiple challenges and responses during a session. Authentication verifies a user's identification. Authorization determines if a user should have access. Accounting tracks a user's access with logs. ABR Area Border Router. A router using OSPF in which the router has interfa...

CCNA 1: Introduction to Networks v7.0 Questions and Answers 2023 What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? neighbor solicitations echo requests neighbor advertisements echo replies router solicitations router advertisements 1) neighbor solicitations 2) neighbor advertisements Which range of link-local addresses can be assigned to an IPv6-enabled interface? ...