Confronted any fiercer along with fiercer competitors in IT planet, are you terrific strain? Certainly, you are doing. Subsequently you’d far better find the https://www.pass4itsure.com H3C GB0-323-ENGLISH to be able to take your job. Right now, A growing number of H3C GB0-323-ENGLISH certification will be can come staying to be able to in life. It is terrific in the event that contenders get H3C GB0-323-ENGLISH exam sample questions directly from Cisco Higher education. Candidates can easily gain more experience and knowledge during Cisco University since masters/ specialists will supply training towards the contenders. Before you take H3C GB0-323-ENGLISH exam sample questions, any main element how the contenders want to do will be to know about the H3C GB0-323-ENGLISH Study guide test training and that will make this happen for any very clear information to learn any H3C GB0-323-ENGLISH exam sample questions. Each of the H3C GB0-323-ENGLISH Study guide test information and various details are accessible immediately inside Cisco site.
Question: 1
STP is a routing protocol.
A. True
B. False
Answer: B
Question: 2
Which of the following statements is right about 802.1x ports? ( )
A. 802.1x supports the port-based authentication only.
B. The ports of authenticator fall into controlled ports and uncontrolled ports.
C. Uncontrolled ports always forward bi-directionally whether the authentication is passed or not.
D. Controlled ports transmit EAPOL protocol packets only.
Answer: B, C
Question: 3
By default, among the switches in a bridging network, the one with the minimum MAC address will be selected as the Root bridge.
A. True
B. False
Answer: A
Question: 4
By default, among the switches in a bridging network, the one with the best performance will be selected as the Root bridge.
A. True
B. False
Answer: B
Question: 5
On H3C middle-end/low-end switches, once a bridge receives two BPDUs with the same Root bridge ID, the same root path cost and the same transmitting bridge ID, there are two parallel links between the two bridges. ( )
A. True
B. False
Answer: A
Question: 6
On an H3C middle-end/low-end switch, once a bridge receives two BPDUs with the same Root bridge ID, the same root path cost, and the same transmitting bridge ID, there are two ports of the transmitting bridge connected to one physical segment. ( )
A. True
B. False
Answer: A Question: 7
Multiple Spanning Tree Protocol (MSTP) is defined in ( ).
A. 802.1d
B. 802.1q
C. 802.1w
D. 802.1s
Answer: D
Question: 8
MSTP implements load balance on multiple trunk links for different VLANs. ( )
A. True
B. False
Answer: A
Question: 9
Which of the following MST instances can be processed by MSTP? ( )
A. CIST
B. IST
C. MST
D. MSTI
Answer: B, D
Question: 10
In MSTP, one VLAN can be mapped to multiple MSTIs. ( )
A. True
B. False
Answer: B
Question: 11
Which of the following statements is right about unicast, multicast and broadcast? ( )
A. Unicast is applicable to point-to-point communications, and the receiver of unicast packets can be a single host or a gateway.
B. Multicast is applicable to point-to-multipoint communications, and the receiver of multicast packets can be multiple hosts or gateways.
C. Broadcast is applicable to point-to-multipoint communications, and the receiver of broadcast packets can be all hosts or gateways in the network.
D. A host just passively receives the unicast, multicast or broadcast packets.
Answer: A, B, C
Question: 12
In a point-to-multipoint network, either unicast or multicast can be adopted. In comparison, which of the following advantages does multicast provide? ( )
A. Multicast uses less IP address resources.
B. Multicast lowers the performance requirement to servers.
C. Multicast can reduce network traffic and save network bandwidth.
D. Multicast is more reliable in packet transmission.
Answer: B, C
Question: 13
Which of the following methods cannot be used to configure H3C middle-end and low-end switches? ( )
A. Console
B. Xmodem
C. Telnet
D. Dial-up with Modems
Answer: B
Question: 14
In a point-to-multipoint network, either unicast or multicast can be adopted. In comparison, which of the following disadvantages does multicast provide? ( )
A. Based on UDP, multicast transmission is less reliable.
B. Multicast adopts Reverse Path Forwarding (RPF), which increases the burden of the router.
C. Multicast exchanges packets without sequence garantee, and a special mechanism is needed for sequenced packets transmission.
D. Multicast is lack of security mechanism, and is not applicable for the transmission of +confidential data.
Answer: A, B, C
Question: 15
Compared with unicast, multicast provides many advantages. Which of the following applications adopts multicast? ( )
A. Dynamic routing protocols
B. Multimedia conference
C. Data distribution
D. Games and simulation
Answer: A, B, C, D
Question: 16
Presently, common multicast routing protocols are ( ).
A. PIM-SM
B. PIM-DM
C. IGMP
D. DVMRP
Answer: A, B, D
Question: 17
Multicast protocols fall into group member management protocols and multicast routing protocols. Which of the following is a multicast routing protocol? ( )
A. PIM
B. GMRP
C. IGMP
D. DVMRP
E. MOSPF
Answer: A, D, E
Question: 18
To deploy multicast services between different ASs, intra-AS multicast protocols are far from enough. Which of the following is mainly used for the inter-domain multicast? ( )
A. MBGP
B. MSDP
C. MASC
D. BGMP
Answer: A, B, C, D
Question: 19
In the Layer-3 routing network, the multicast routing protocol and the group member management protocol implement multicast distribution. However, in the Layer-2 network, Layer-2 switching equipment does not support the multicast routing protocol and the group member management protocol. Which of the following can be used for the Layer-2 multicast forwarding? ( ).
A. PIM-SM
B. GMRP
C. IGMP
D. IGMP Snooping
E. DVMRP
Answer: B, D
Question: 20
A multicast address indicate a special group of members. Which of the following statements is right about multicast address? ( )
A. 224.0.0.0239.255.255.255 are available multicast addresses, which can be used freely by anyone or any organization.
B. 239.0.0.5 is the address of a local management group.
C. 224.0.0.0224.0.0.255 are reserved addresses for multicast, which cannot be used freely by anyone or any organization.
D. 224.0.1.100 is a multicast address, which can be used freely by anyone or any organization.
Answer: B, C
Question: 21
Some multicast addresses have been reserved for some special applications. Which of the following statements is right about these specialmulticast addresses? ( )
A. 224.0.0.1 means all the multicast members, including the routers.
B. 224.0.0.2 means all the multicast members, but not including the routers.
C. 224.0.0.13 means all the PIM routers.
D. 224.0.1.1 means all the NTP members.
Answer: A, C, D
Question: 22
In the Ethernet, the first 3 bytes of all the multicast MAC addresses are 01-00-5e. ( )
A. True
B. False
Answer: B
Question: 23
For multicast MAC addresses, only 23-bit of them can be allocated freely. For multicast IP addresses, 28-bit of them can be allocated freely. Therefore, in the mapping relationship between the multicast IP address and MAC address, each MAC address corresponds to 32 IP addresses. ( )
A. True
B. False
Answer: A
Question: 24
On the H3C switch, VRRP can be used to implement ( ).
A. Gateway backup of the LAN
B. Gateway backup of the WAN
C. Load balance
D. Port monitoring for improving network reliability
Answer: A, C, D
Question: 25
Which of the following statements is right about the multicast IP address and the multicast MAC address? ( )
A. One multicast IP address is mapped to one multicast MAC address.
B. The last 23-bit of the multicast IP address and that of the multicast MAC address are mapped one-to-one.
C. The last 24-bit of the multicast IP address and that of the multicast MAC address are mapped one-to-one.
D. None of the above
Answer: B
Question: 26
The kernel technology of multicast forwarding is RPF. Which of the following statements is right about RPF? ( )
A. RPF is the abbreviation of Reverse Path Forwarding.
B. RPF is based on the destination address of the packet and the unicast routing table.
C. RPF is based on the source address of the packet and the unicast routing table.
D. RPF is independent of any unicast routing protocol.
Answer: A, C, D Question: 27
The RPF of multicast checks the source address of the packet. If the inbound interface of the packet is the same as the outbound interface of a unicast route which matches the source address, the reverse check is successful. The multicast packet will be forwarded according to the multicast forwarding table. ( )
A. True
B. False
Answer: A
Question: 28
The RPF of multicast checks the source address of the packet. If the inbound interface of the packet is not the same as the outbound interface of any unicast route which matches the source address, the reverse check fails. The multicast packet will be dropped. ( )
A. True
B. False
Answer: A
Question: 29
Different Layer-2 switching equipments process the multicast packet differently. Which of the following statements is right about multicast packet processing of Layer-2 switching equipments? ( )
A. All Layer-2 switching equipments broadcast the received multicast packets.
B. The switches that support the Layer-2 multicast protocols can set up forwarding entries for multicast packets through snooping IGMP packets. In this way, the packets are forwarded to the desired ports.
C. The Layer-2 switches that support IGMP Snooping provide only IGMP packet snooping, and do not make any improvement in multicast packet forwarding.
D. None of the above
Answer: B
Question: 30
The last ( ) of the multicast MAC address is mapped to that of the multicast IP address.
A. 22-bit
B. 23-bit
C. 24-bit
D. 25-bit
Answer: B
All our Cisco products are up to date! When you buy any https://www.pass4itsure.com H3C GB0-323-ENGLISH product from Certpaper, as “H3C GB0-323-ENGLISH Questions & Answers with explanations”,you are automatically offered the H3C GB0-323-ENGLISH updates for a total of 90 days from the day you bought it.If you want to renew your H3C GB0-323-ENGLISH Certification purchase during the period of these 90 days,your H3C GB0-323-ENGLISH Certification product is renewed and you are further enabled to enjoy the free Cisco updates.