1) 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 2) How do TCP and UDP differ in the way that they establish a connection between two endpoints? a) TCP uses the three-way handshake, and UDP does not guarantee message delivery. b) TCP uses synchronization packets, and UDP uses acknowledgment packets. c) UDP provides reliable message transfer, and TCP is a connectionless protocol d) UDP uses SYN, SYN ACK, and FIN bits in the frame header while TCP uses SYN, SYN ACK, and ACK bits. e) bits. 3) What is the default behavior of a Layer 2 switch when a frame with an unknown destination MAC address is received? a) The Layer 2 switch forwards the packet and adds the destination MAC address to its MAC address table. b) The Layer 2 switch sends a copy of a packet to CPU for destination MAC address learning. c) The Layer 2 switch floods packets to all ports except the receiving port in the given VLAN. d) The Layer 2 switch drops the received frame. 4) Refer to the exhibit. Which statement explains the configuration error message that is received?What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two.) a) when Carrier Sense Multiple Access/Collision Detection is used b) when one side of the connection is configured for half-duplex c) when the sending device waits 15 seconds before sending the frame again d) when a collision occurs after the 32nd byte of a frame has been transmitted e) when the cable length limits are exceeded 5) How do TCP and UDP differ in the way they provide reliability for delivery of packets? a) TCP does not guarantee delivery or error checking to ensure that there is no corruption of data, UDP provides message acknowledgement and retransmits data if lost. b) TCP provides flow control to avoid overwhelming a receiver by sending too many packets at once, UDP sends packets to the receiver in a continuous stream without checking sends packets to the receiver in a continuous stream without checking c) TCP is a connectionless protocol that does not provide reliable delivery of data; UDP is a connectionoriented protocol that uses sequencing to provide reliable delivery d) TCP uses windowing to deliver packets reliably; UDP provides reliable message transfer between hosts by establishing a three-way handshake. 6) What are two differences between optical-fiber cabling and copper cabling? (Choose two.) a) A BNC connector is used for fiber connections b) The glass core component is encased in a cladding c) The data can pass through the cladding d) Light is transmitted through the core of the fiber e) Fiber connects to physical interfaces using RJ-45 connections

CCNA Fundamentos de Red

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