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TEST BORRADO, QUIZÁS LE INTERESEHCIA-Routing & Switching

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Título del test:
HCIA-Routing & Switching

Descripción:
H12-211-1

Autor:
hayduck
(Otros tests del mismo autor)

Fecha de Creación:
02/08/2020

Categoría:
Informática

Número preguntas: 60
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Temario:
On an STP-Enabled Switch, a port in learning state can transition to the forwarding state only after the forward delay TRUE FALSE.
Which area ID is used by OSPFv3 to identify the backbone area 0 1 2 3.
Which of the Following statement about the "ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20" command are true? This route can guide forwarding of the data packet with the destination IP address 10.0.2.2 This route can guide forwarding of the data packet with the destination IP address 10.0.12.2 The next-hop IP address of the route is 10.0.12.2 The preference of the route is 20.
After a blackhole MAC address is configured on a device, the device discard packet whose source or destination MAC address is the blackhole MAC address TRUE FALSE.
Which of the following routing protocols are dynamic routing protocols ? Static Routing Direct Routing OSPF BGP.
The DHCPv6 server also provide configuration information such as the DNS server address for hosts? TRUE FALSE.
The last option field (option) of an IPv4 packet is a length-variable and optional field. What is the maximum length of this field? 40B 60B 20B 10B.
In RSTP, an edge port becomes a common STP port after receiving a Configuration BPDU. TRUE FALSE.
Which of the following statements are true about ICMP massages ICMP message can record time, including the Original time, packet receiving time, and packet sending time ICMP message are encapsulated in IP packet but not at the transport layer ICMP message include error message, control message, request/response messages, and update messages. ICMP does not support redirection.
Which of the following addresses cannot be used as the IPv4 address of a host Class A address Class B address Class C address Class D address.
Apply the Following ACL to telnet? Acl number 2000 rule 5 permit source 172.16.105.2 0 # Only the device whose IP address is 172.16.105.2 is allowed for remote login? TRUE FALSE.
The MAC address table of a switch is as follows. The switch receives a data frame whose Source Mac address is 5489-989d-1d30 and destination MAC address is 5489-9811-0b49. Which of the following statement is true? [Huawei]display mac-address MAC address table of slot 0: MAC Address VLAN/PEVLAN CEVLAN PortTypeLSP/LSR-ID VSI/SIMAC-Tunnel 5489-9885-18a8 1---blackhole - 5489-9811-0b49 1--Eth0/0/3static - 5489-989d-1d30 1--Eth0/0/1dynamic 0/- Total matching items on slot 0 displayed = 1 if the data frame is received from Eth0/0/1, the switch forwards the data frame through Eth0/0/3 if the data frame is received from Eth0/0/3, the switch discards the data frame. if the data frame is received from Eth0/0/1, the switch floods the data frame. if the data frame is received from Eth0/0/3, the switch disables Eth0/0/3.
Which of the following routing protocol prefrence can be modified? Direct routing OSPF RIP Static routing.
Which of the following statements are true according to the following configuration of a router? Huawei]display ospfv3 interface GigabitEthernet 0/0/0 GigabitEthernet0/0/0 is up, line protocol is up Interface ID 0x3 Interface MTU 1500 IPv6 Prefixes FE80::2E0:FCFF:FE59:3498 (Link-Local Address) 2004::1/64 OSPFv3 Process (1), Area 0.0.0.0, Instance ID 0 Router ID 10.0.4.4, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State Backup, Priority 1 Designated Router (ID) 10.0.2.2 Interface Address FE80::2E0:FCFF:FEBB:6CF9 Backup Designated Router (ID) 10.0.1.1 Interface Address FE80::2E0:FCFF:FEC6:4A10 Timer interval configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Neighbor Count is 3, Adjacent neighbor count is 2 Interface Event 2, Lsa Count 4, Lsa Checksum 0xf258 Interface Physical BandwidthHigh 0, BandwidthLow 1000000000 The interface has three neighbor relationships The interface has three adjacencies The Router ID of the local router is 10.0.4.4 The Router ID of the DR is 10.0.2.2.
You can run the "startup saved confugiration backup.cfg" command on the user interface of the versatile routing platform (VRP) to specify the "backup.cfg"file as the configuration file for next startup TRUE FALSE.
For the Versatile Routing Platform the login timeout period can be set only on a VTY interface TRUE FALSE.
A router can assign a specific IPv6 address to a host through stateless address autoconfiguration? TRUE FALSE.
A window Host is started for the first time. If the Host obtains the IP address using DHCP, what is the source IP address of the first data packet sent by the host? 0.0.0.0 127.0.0.1 169.254.2.33 255.255.255.255.
IPsec VPN can only encrypt and trAns mit unicast data, and GRE can encapsulate multicast data TRUE FALSE.
SNMP packets are transmitted by UDP TRUE FALSE.
A router cannot function as both a DHCPv6 server and a DHCP server. TRUE FALSE.
Which of the following statements are true about the dynamic MAC address table? After a device is reset , an interfaces card is hot swapped , or an interface card is reset , the saved entries on the device or interface card are not lost. Dynamic MAC address entries are obtained by learning the source MAC addresses of packets received by an interface, and can be aged out. After a device is rest , an interface card is hot swapped or an interface card is reset dynamic MAC address entries on the device or interface card are lost. You can obtain the number of users communicating on an interface by checking the number of specified dynamic address MAC address entries.
which of the following fields is not included in the format of the network - layer packet header ? Source IPv4 Address Destination Ipv Address TTL Sequence number.
DHCP request packets must be sent in broadcast mode. TRUE FALSE.
In the VRP system you cannot delete files by running the delete or unreserved vrpcfg.zip command. You must clear files in the recycle bin? TRUE FALSE.
If a 10GE optical module is used to connect two Huawei S5710 switches , by default the interconnected interfaces work in full -duplex mode. TRUE FLASE.
Apply the Following ACL to SNMP. Which of the following statements is/are false? Acl number 2000 rule 5 permit source 192.168.1.2 0 rule 10 permit source 192.168.1.3 0 rule 15 permit source 192.168.1.4 0 The Device whose IP address is 192.168.1.2 can use the SNMP service The Device whose IP address is 192.168.1.3 can use the SNMP service The Device whose IP address is 192.168.1.4 can use the SNMP service The Device whose IP address is 192.168.1.5 can use the SNMP service.
Which of the following description regarding the STP forwarding state is incorrect? A port in a forwarding state can receive BPDU A port in a forwarding state does not learn the source MAC address of a frame A port in a forwarding state can forward frames A port in a forwarding state can send BPDU.
How many TCP connections will be established when FTP is used to transfer files? 1 2 3 4.
Which of the Following are the features of the default VLAN setting in a switch Configuration? The default VLAN cannot be deleted manually By default, all ports on a switches are member of a default VLAN A default VLAN must be created before a port is allocated to a VLAN The IP address configured for a switch is applied only to a member port in the default VLAN.
Segment routing (SR) define destination address prefixes/nodes and adjacencies on the network as segments and allocates segment IDs (SIDs) to these segments . Adjacency and prefix/node SIDs are non- sequentially arranged in a segment list to form a forwar TRUE FALSE.
On the command Line interface of Huawei AR routers , the role of the save command is to save the current system time. TRUE FALSE.
Which of the following packet is sent by a DHCPv6 client before it send a request packet to the DHCPv6 server RS RA NS NA.
As shown in the figure, which of the following network devices can be used to implement communication between host A and Host B? Bridge layer 2 switch Router Hub.
An ACL rule is as follows. Which of the following IP address can be matched by the permit rule? rule 5 permit ip source 10.1.1.0 255.0.254.255? 9.1.1.1 8.2.2.1 7.1.2.1 6.1.3.1.
For STP, the massage Age in the configuration BPDUs sent by the root bridge is 0? TRUE FALSE.
::1/128 is an IPv6 loopback address TRUE FALSE.
Which of the following SNMP packets is/are sent by the agent on the managed device to the NMS? Get-Request Get-Next-Request Set-Request Response.
SR encapsulates the segment list identifying a forwarding path into a data packet header for transmission After receiving the data packet, the receiver end parses the segment list. If the top SID of the segment list belongs to the local node, the top SID is popped out, and then further processing is perfermed, if the top SID of the segment list does not belong to the local node, the data packet is forwarded to the next node in equal cost multiple path(ECMP) mode? TRUE FALSE.
One of the reasons that segments routing (SR) is introduced is that traditional LDP has some restrictions. Which of the following statements about LDP restrictions are true? LDP does not support automatic label allocation. LDP supports path computation only based on IGP SPF(minimum cost ), not based on traffic engineering. LDP path computation depends on an IGP. If the IGP and LDP are not synchronized , black holes are generated , affecting services. LDP has 11 types of protocal packets, which greatly increases link bandwidth consumption and device CPU usage.
In terms of security, tunnel mode is more secure than the transport mode. TRUE FALSE.
<Huawei>display startup MainBoard: Startup system software: flash:/AR2220E-V200R007C00SPC600.cc Next startup system software: flash:/AR2220E-V200R007C00SPC600.cc Backup system software for next startup: null Startup saved-configuration file: flash:/vrpcfg.zip Next startup saved-configuration file: flash:/vrpcfg.zip Startup license file: null Next startup license file: null Startup patch package: null Next startup patch package: null Startup voice-files: null Next startup voice-files: null The preceding information is the 'Display startup" command output on the AR2220 router. Which of the following statement is false about Such information? The running Configuration file is not Saved. The System file used for this startup is AR2220E-V200R007C00SPC600.cc The System file for next startup cannot be modified. You can run the 'startup system software' command to modify the system file for next startup.
Which of the following address types are of IPv6 addresses? Unicast address Anycast address Multicast address Broadcast address.
If the MAC address of an interface is EEE0-AABB-CD7B, the corresponding EUI-64 address is () ECE0-AAFF-FEBB-CD7B CCE0-AAFF-FEBB-CD7B EEE0-AAFF-FEBB-CD7B CCE0-AABB-FFFE-CD7B.
<Huawei>display ospfv3 peer OSPFv3 Process (1) OSPFv3 Area (0.0.0.0) Neighbor IDPri StateDead Time InterfaceInstance ID 10.0.1.11 Full/Backup00:00:33 GE0/0/00 10.0.2.21 Full/DR00:00:33 GE0/0/00 OSPFv3 Area (0.0.0.1) Neighbor IDPri StateDead Time InterfaceInstance ID TRUE FALSE.
A segment routing global block (SRGB) is a set of local labels reserved for global segments, In MPLS and IPv6 an SRGB is a set of local labels reserved for global labels? TRUE FALSE.
The IP addresses of VLANIF interfaces on the same switch must be different. TRUE FALSE.
If a route destined for the same network has multiple next hops, what is the route? Equal-cost route Sub-optimal route Multi-Path route Default route.
Which of the following network parameters can be allocated using DHCP? IP address Gateway address Address of the DNS server Operating system.
Which of the following IP addresses can be used by another host to communicate with the host whose ip address is 200.200.200.201/30 without the need to forward traffic through a router? 200.200.200.1 200.200.200.200 200.200.200.202 200.200.200.203.
In IPv6, the flow label field, source address field, and destination address field specify a forwarding path for a specific data flow? TRUE FALSE.
What is the default priority of static routes on a Huawei AR router? 0 60 100 120.
In RSTP, a backup port can replace a faulty root port TRUE FALSE.
Which of the following IPv6 extension headers can occur twice? Hop-by-Hop Option header Fragment extension header Destination Option header Upper-layer header.
Only CHAP authentication can be used for PPPoE sessions? TRUE FALSE.
During PPP link setup, which of the following phase can be directly converted from the Dead phase Authenticate Establish Network.
Which of the following modes can be used to generate a DUID for a DHCPv6 device ? Link -Layer address (LL) Link -Layer address plus time (LLT) Link -Layer address plus host name ( LLN) Link -Layer address plus operating system ( LLOS).
The root protection function provided by RSTP can take effect only on designated ports TRUE FALSE.
When the host accesses web service of the server , the value of the 'protocol' field at the network layer is 6. TRUE FALSE.
An interface on a router cannot function as both a DHCPv6 server and a DHCPv6 client TRUE FALSE.
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