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Huawei HCNP-R&S Fast Track Sample Questions:

1. In most cases, an IP address that is dynamically assigned by a DHCP server has a lease.
Which of the following statements regarding the IP address lease is false?

A) If the rebinding timer expires but the DHCP client does not receive any responses from the DHCP server, the DHCP client keeps sending DHCP Request packets to the DHCP server which assigned an IP address to it before, until the total lease expires.
B) The lease renewal timer is 50% of the total lease. When the lease renewal timer expires, the DHCP server must renew the IP address lease.
C) The rebinding timer is 87.5% of the total lease.
D) If the DHCP client receives a DHCP NAK packet within the lease, the client stops using the current IP address immediately and returns to the initialization state. The DHCP client then applies for a new IP address.

2. which of the following statements regarding DR/BDR are false?

A) In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
B) All DR others establish neighbor relationships with DR and BDR only.
C) DR others listen on the multicast address 224.0.0.5.
D) DR others listen on the network address 224.0.0.6.

3. On a Layer 2 switching network, devices forward data based on MAC addresses. Therefore, data filtering can be performed based on MAC addresses, and a firewall in transparent cannot filter out Layer 3 information in data packets.

A) FALSE
B) TRUE

4. ASFF enables the firewall to support multi-channel protocols such as FTP and to define security policies for complex applications.

A) FALSE
B) TRUE

5. Which of the following statements regarding multicast protocols is false?

A) Distance Vector Multicast Routing Protocol (DVMRP) is a dense mode protocol. It defines a route hop count limit of 32.
B) MSDP can spread multicast routes across ASs.
C) IGMP runs between receiver hosts and multicast routers, and defines the mechanism for creating and maintaining group membership between them.
D) EM is a typical intra-domain multicast routing protocol and can operate in the dense mode (DM) or sparse mode (SM).

Solutions: