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CCNA 1 - Chapter 5 (Part 1)  

created by karen.ura… on 19 Dec 13
Medium level (71% of success)    22 questions - 293 players
Chapter 5 (Part 1)
 
1
How are called the first three bytes of the MAC address?
   
   
2
How are called the last three bytes of the MAC address?
   
   
3
What is a characteristic of a contention-based access method?
   
   
4
Which two statements describe features or functions of the logical link control sublayer in Ethernet standards?
   
   
5
LLC sublayer or MAC sublayer? It constitutes the lower sublayer of the data link layer.
   
   
6
LLC sublayer or MAC sublayer? It takes the network protocol data, which is typically an IPv4 packet, and adds control information to help deliver the packet to the destination node.
   
   
7
LLC sublayer or MAC sublayer? It is used to communicate with the upper layers of the application, and transition the packet to the lower layers for delivery.
   
   
8
What is the purpose of the preamble in an Ethernet frame?
   
   
   
9
This field (46 - 1500 bytes) contains the encapsulated data from a higher layer, which is a generic Layer 3 PDU, or more commonly, an IPv4 packet. All frames must be at least 64 bytes long.
   
   
   
10
______ is used to detect errors in a frame.
   
   
   
11
What is the Layer 2 multicast MAC address that corresponds to the Layer 3 IPv4 multicast address 224. 139. 34. 56?
   
   
   
12
Which is a broadcast MAC address?
   
   
   
13
Which statement is correct about MAC and IP addresses during data transmission if NAT is not involved?
   
   
14
Which statement is correct about MAC and IP addresses during data transmission if NAT is not involved?
   
   
15
What is one of the features of ARP?
   
   
16
What is one of the features of ARP?
   
   
17
A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in its ARP cache. How will the device obtain a destination MAC address?
   
   
18
What is one of the potential network problems that can result from ARP operation?
   
   
19
What is one of the potential network problems that can result from ARP operation?
   
   
20
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?
   
   
21
In __________, frames are stored in queues that are linked to specific incoming or outgoing ports.
   
   
22
Fill in the blank. The binary number 0000 1010 can be expressed as ______ in hexadecimal.
   
   
   

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25 December 13