GB0-320English Huawei Braindump ExamSoon GB0-320English Exams Huawei Constructing Enterprise-level Switching Networks O rder : GB0-320English Exam Practice Exam: GB0-320English Exam Number/Code: GB0-320English Exam Name: Constructing Enterprise-level Switching Networks Questions and Answers: 347 Q&As Free GB0-320English Braindumps Exam : Huawei GB0-320 Title : Huawei(r) Constructing Enterprise-level Switching Networks 1. Which of the following descriptions of IGMP functions is true? A.It is for the router to notify the layer 2 switch the host joining the multicast. B.Enhance IP packet forwarding performance C.Maintain VLAN dynamically D.Maintain the multicast group information between the host and the router. Answer: d 2. Multiple layer switching is realized according to the following information. ( ) A.Source MAC address and destination MAC address B.Source IP address and destination IP address C.source port number and destination port number D.IP packet protocol numbe Answer: abcd 3. Through which of the following packets is the BPDU packet transmitted? A.IP packet B.TCP packet C.Ethernet frame D.UDP frame Answer: c 4. Which of the following Ethernet standards support speed rate auto-negotiation? ( ) A.10BASE-T B.100BASE-TX C.1000BASE-LX D.1000BASE-SX Answer: ab 5. The Ethernet link layer is divided into two sub-layers by IEEE803. The two sub-layers are: ( ) A.Physical sub-layer B.MAC sub-layer C.LLC sub-layer D.IP sub-layer Answer: bc 6. Through which of the following messages does PIM-SM refresh its multicast distribution tree? A.Hello message B.Registration message C.Join/pruning message D.C-RP-Adv message Answer: c 7. Which of the following descriptions of the Blocking status (Discarding status) of the spanning tree is false? ( ) A.In Blocking status, BPDU packet can be received. B.In Blocking status, no packet can be received. C.In Blocking status, no MAC address can be learned. D.In Blocking status, no data packet can be forwarded. Answer: b 8. The GARP itself is only a protocol specification but not an entity existing in the switch. The application entity that observes the GARP protocol is called the GARP application. ( ) T.True F.False Answer: t 9. When displaying the STP information via the display command, which of the following information related to the port is not include? ( ) A.The switch priority B.HelloTime, MaxAge and ForwardDelay configured to the switch C.Root bridge ID D.Location information of the switch in the spanning tree Answer: d 10. As shown in the following figure, the corresponding links of Port 1 ~ Port 4 are the trunk links allowing all the VLANs to pass and the GVRP protocol is activated. The GVRP registration mode of Port 4-switch 3 is set to be Forbidden and the GVRP registration modes of the ports on other switches are set to be Normal. VLAN5 and VLAN6 are configured on the switch 1 and VLAN 6 and VLAN 7 are configured on the switch 3. The following are the VLAN configuration situations of the ports of the switch except the default VLAN. Which of the items are true? ( ) A.VLAN 5 and VLAN 6 are configured over port 1. B.VLAN 5~VLAN 6 are configured over port 2. C.VLAN 6 and VLAN 7 are configured over port 3. D.VLAN 6 and VLAN 7 are configured over port 4. Answer: ab 11. If setting the working rate of Quidway S3526 Ethernet port 10 only to be 100Mbit/s, which of the following commands should be used? A.speed 10 B.speed 100 C.speed auto D.speed full Answer: b 12. Which of the following descriptions of the port status transition under RSTP is false? ( ) A.In the case that there are redundant paths leading to the root, if the original path is faulty, only several milliseconds is needed for finding the path fault and restoring the link connectivity. B.In the case of point-to-point link, only one handshake is needed for the designated port to be transited to the Forwarding status. And the delay period is only several milliseconds. C.For the bridging network running RSTP, the stable period of topology must be more than 30 seconds (Twice the period of ForwardDelay) D.The port directly connecting to the PC can be rapidly transited to the Forwarding status, but the subscribers need to configure it to be the edge port first. Answer: c 13. Which of the following descriptions of the transparent bridge is false?( ) A.The transparent bridge can learn the MAC address by itself. B.The transparent bridge can expand LAN. C.The transparent bridge needs to modify the IP packet first, and then forward it. D.The transparent bridge is the equipment working on the layer 2. Answer: c 14. For the switch, to which of the following items can the interface ACL perform the packet filtering?( ) A.Source IP address and its subnet mask B.Destination IP address and its subnet mask C.Name of the designated interface D.Ethernet encapsulation type of the data packet Answer: c 15. Which of the following descriptions of port aggregation technology are true? A.This technology is applied in the connection between switch and switch B.This technology is applied in the connection between switch and router C.The technology is not applied in the connection between the high-speed server D.This technology is not applied in the connection between the switch and the high-speed server Answer: ab 16. The values of the bridge priorities are not consecutive, and they are based on a certain step length, which is the step length? ( ) A.16 B.100 C.1024 D.4096 Answer: d 17. The layer 2 switch supporting VLAN has solved the following problem: ( ) A.Security B.High efficiency C.Flexible management D.All the above items are false. Answer: abc 18. LAN is a high-speed error tolerance data network covering a relatively small geographical scope. Except the covering scope, the differences between LAN and WAN lie in network ownership and data rate. ( ) T.True F.False Answer: t 19. Compared with the common Ethernet packet, which of the following items are newly added in VLAN packet ruled in IEEE802.1Q protocol? ( ) A.TPID (Tag Protocol Identifier) B.Priority C.Canonical Format Indicator (CFI) D.VLAN Identifier (VLAN ID) Answer: abcd 20. To which of the following MAC multicast addresses should the multicast IP address 224.215.155.155 be mapped? A.01-00-5e-70-9b-9b B.01-00-5e-40-9b-9b C.01-00-5e-57-9b-9b D.01-00-5e-30-9b-9b Answer: c More GB0-320English Braindumps Information Exam Description 1. ExamSoon offer free update service for three month. 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