HCIA-Datacom - Platform

Which of the following is valid IPv6 address?

• 2001:1:0:4F3A:206:AE14
• 2001:1:0:4F3A:0:206:AE14
• 2001:1:0:4F3A::206:AE14
• 2001:1::4F3A::206:AE14

To access a wireless network, a host needs to obtain information about the wireless network first. Which of the following types of packets is used by a host to obtain SSID information?

• Probe
• Beacon
• Join
• Discovery

Which of the following items is used to distinguish different WLANs?

• AC Name
• SSID
• VAP
• 855D

Which of the following multicast addresses is used by OSPF?

• 224.0.0.1
• 224.0.0.2
• 224.0.0.5
• 224.0.0.9

Which of the following is the Ethernet_II frame structure?

• source MAC | destination MAC | protocol type | data | FCS
• destination MAC | source MAC | protocol type | data | FCS
• source MAC | destination MAC | packet length | data | FCS
• destination MAC | source MAC | packet length | data | FCS

Port aggregation bundles multiple connected ports into a logical connection. What is the bandwidth after the bundling?

• Sum of bandwidth of any two member ports
• Sum of bandwidth of all member ports
• Half of the total bandwidth of all member ports
• Bandwidth of the member port with the highest bandwidth

Which of the following statements is incorrect about the Learning state in STP?

• A port in the Learning state can send and receive BPDUs.
• A port in the Learning state can learn the source MAC address in a packet.
• A port in the Learning state only learns source MAC addresses, but does not forward packets.
• A port in the Learning state can forward some data packets.

A router is a computer device used for network interconnection. At which layer of the OSI reference model does a router work?

• Session layer
• Data link layer
• Network layer
• Application layer

In which of the following modes is communication unidirectional (only one end can send data, and the other end can only receive data at the same time)?

• Simplex
• Half-duplex
• Full-duplex
• Auto-negotiation

What are the components of an IP address?

• Logical address
• Link address
• Network address
• Host address