Which layer combines bits into bytes and bytes into frames, uses MAC addressing , and provides error detection?

More Questions from CISCO Certification

• You have a Class B network and need 29 subnets. What is your mask?
• Which process ensures that the components of the computer are connected properly ?
• Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
• What are the typical three different categories of VPNs?
• Mention different memories used in a CISCO router ?
• The network with ip address 192.168.100.0/27 is to be used on a router. If ip subnet-zero is configured, which statement describe the resulting number of available subnets and hosts?
• What command will permit SMTP mail to only host 1.1.1.1?
• What is the first thing that BGP checks to determine if a prefix is accessible?
• Routers operate at layer _____. LAN switches operate at layer ______. Ethernet hubs operate at layer _____. Word processing operates at layer _______.
• Which layer is responsible for keeping the data from different applications seperate on the network?

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