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How do TCP and UDP differ in the way they guarantee packet delivery?
How do TCP and UDP differ in the way they guarantee packet delivery?A . TCP uses checksum, acknowledgement, and retransmissions, and UDP uses checksums only.B . TCP uses two-dimensional parity checks, checksums, and cyclic redundancy checks and UDP uses retransmissions only.C . TCP uses checksum, parity checks, and retransmissions, and...
Which outcome is expected when PC_A sends data to PC_B?
Refer to the exhibit. Which outcome is expected when PC_A sends data to PC_B?A . The switch rewrites the source and destination MAC addresses with its own.B . The source MAC address is changed.C . The source and destination MAC addresses remain the same.D . The destination MAC address is...
When a floating static route is configured, which action ensures that the backup route is used when the primary route fails?
When a floating static route is configured, which action ensures that the backup route is used when the primary route fails?A . The floating static route must have a higher administrative distance than the primary route so it is used as a backupB . The administrative distance must be higher...
Which password must an engineer use to enter the enable mode?
Refer to the exhibit. Which password must an engineer use to enter the enable mode?A . adminadmin123B . defaultC . testing 1234D . cisco123View AnswerAnswer: C Explanation: If neither the enable password command nor the enable secret command is configured, and if there is a line password configured for the...
Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two)
Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two)A . It drops lower-priority packets before it drops higher-priority packetsB . It can identify different flows with a high level of granularityC . It guarantees the delivery of high-priority packetsD . It can mitigate congestion by...
What event has occurred if a router sends a notice level message to a syslog server?
What event has occurred if a router sends a notice level message to a syslog server?A . A TCP connection has been torn downB . An ICMP connection has been builtC . An interface line has changed statusD . A certificate has expired.View AnswerAnswer: C
Which command accomplishes this task?
Refer to the exhibit. The network administrator wants VLAN 67 traffic to be untagged between Switch 1 and Switch 2 while all other VLANs are to remain tagged. Which command accomplishes this task?A . switchport access vlan 67B . switchport trunk allowed vlan 67C . switchport private-vlan association host 67D...
Which usable IP address and subnet mask combination meets this criteria?
An engineer must configure a/30 subnet between two routers. Which usable IP address and subnet mask combination meets this criteria? A . Option AB . Option BC . Option CD . Option DView AnswerAnswer: A
Which error must be corrected?
Refer to the Exhibit. After the switch configuration the ping test fails between PC A and PC B Based on the output for switch 1. Which error must be corrected?A . There is a native VLAN mismatchB . Access mode is configured on the switch ports.C . The PCs are...
Which mode allows access points to be managed by Cisco Wireless LAN Controllers?
Which mode allows access points to be managed by Cisco Wireless LAN Controllers?A . autonomousB . lightweightC . bridgeD . mobility expressView AnswerAnswer: B Explanation: https://www.cisco.com/c/en/us/support/docs/wireless/aironet-1200-series/70278-lap-faq.html A Lightweight Access Point (LAP) is an AP that is designed to be connected to a wireless LAN (WLAN) controller (WLC). APs are “lightweight,”...
