Question 1

Which of the following statements is false about IPv6 addresses?

Options :

A : Unique local addresses can be used only within a specific site.

B : An IPv6 broadcast address is an address in binary format with each bit set to 1.

C : An IPv6 global unicast address is an IPv6 address with a global unicast prefix, which is similar to an IPv4 public address.

D : Link-local addresses can be used only for communication between nodes on the same local link.

Answer: B

Question 2

Which of the following statements are true about VXLAN concepts?

Options :

A : A VirtualIF interface is a Layer 3 logical interface created for a BD.

B : On a VXLAN network, VNIs can be mapped to BDs in 1:1 mode, and a BD can function as a VXLAN network entity to forward VXLAN data packets.

C : In a VXLAN packet, the source IP address is the local node ' s VTEP IP address, and the destination IP address is the remote node ' s VTEP IP address. This pair of VTEP IP addresses corresponds to a VXLAN tunnel.

D : A virtual access point (VAP) is a VXLAN service access point. Currently, CE switches support only VAPs that are VLANs.

Answer: A,B,C,D

Question 3

Which of the following is not an advantage of the spine-leaf networking over the traditional networking?

Options :

A : Resources are pooled between zones to avoid uneven resource distribution.

B : The logical two-layer architecture has a high oversubscription ratio.

C : The flattened network features redundancy, reliability, and high throughput, facilitating east-west network capacity expansion.

D : Each leaf node is connected to one or two spine nodes to enable communication between all types of nodes connected to the network.

Answer: B

Question 4

All-flash data centers accelerate enterprise digital transformation, and SSD has gradually become the mainstream in the market.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

(During data center network design, if the number of TOR switches is less than 100, which of the following protocols is recommended for underlay routing?)

Options :

A : IS-IS

B : RIP

C : OSPF

D : BGP

Answer: C