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  3. H12-891

Huawei HCIE-Datacom V1.0 H12-891 Exam Questions in PDF

Free Huawei H12-891 Dumps Questions (page: 9)

H12-891 PDF — 610 Questions

Protocols with TCP ports 443, 179, 137, 110, and 23 are, in order: radio

  1. Finger,DHCP Server,NetBios Name Server,POP3,TelnetB
  2. LDAP,SNMP,TFTP,POP3,Telnet
  3. HTTPS,SNMP,POP3,DNS ,Telnet
  4. HiPS,BGP, NetBios Name Server ,POP3,TelnetE. BGP,POP3,SNMP,TFTP,Teinet

Answer(s): D



The following statement about IS-IS (IPv6) is correct?

  1. In order to support the processing and calculation of IPv6 routes, IS-IS has added TLV232 and 236
  2. By default, IS-IS has the multi-topology feature turned on
  3. IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
  4. In order to support the processing and calculation of IPv6 routes, IS-IS has added NLPID to the 129 TLV

Answer(s): A,C,D



The following description of the TTL in the MPLS Header is correct:

  1. A TTL that acts like an IP header and is used to prevent message loops
  2. To control label distribution
  3. Limit LSR
  4. Control of upstream devices for label distribution

Answer(s): A



What are the following correct statements about MUX VLANs?( Multiple select).

  1. The Principal VLAN can communicate with all VLANs within the MUX VLAN
  2. Each Separate VLAN must be bound to a Principal VLAN
  3. Separate VLANs can communicate with all VLANs within a MUX VLAN
  4. Each Group VLAN must be bound to a Principal VLAN

Answer(s): A,B,D



Regarding the FTP protocol, which of the descriptions below is correct?

  1. In FTP Passive mode, the client completes the initialization of the TCP session for control and data
  2. In FTP Active mode, the server tells the client which port it expects to send data on by commanding "PORT"
  3. FTP always uses a TCP session to transmit control information and data information
  4. FTP always uses TCP port 20 to establish a data session, and ICP port 21 to establish control will always use
  5. FTP TCP port 21 to establish a data session, TCP port 20 to establish a control session

Answer(s): A



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