Font size
Worksheetscyber
Total questions: 46
Worksheet time: 24mins
During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?
A higher port bandwidth indicates a smaller port cost
A higher port bandwidth indicates a larger port cost
The port bandwidth is equal to the port cost
The port cost varies randomly according to port bandwidth
If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10
True
False
Which of the following protocols is not a le transfer protocol?
FTP
TFTP
SFTP
HTTP packet
When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame
True
False
Which of the following advantages is/are inter-VLAN route interworking in one-arm routing mode?
Reduced the number of links
Reduced the use of IP addresses
Reduced the number of devices
Reduced the number of entries in the routing table
Trunk interfaces can send both tagged and untagged frames
True
False
IEEE 802.11ac supports only the 5 GHz frequency band
True
False
Which of the following protocols can be used to prevent loops on a Layer 2 network with redundant links?
VRRP
STP
ARP
UDP
According to the VTY user interface conguration shown in the following gure, the user level is set to 3. [Huawei]user-interface vty 0 14 [Huawei-ui-vty0-14]acl 2000 inbound [Huawei-ui-vty0-14]user privilege level 3 [Huawei-ui-vty0-14]authentication-node password Please congure the login password (maximum length 16):huawei
true
false
Which of the following packets are OSPF packets?
HELLO
LSR
LSU
LSA
SNMP packets are transmitted by UDP
True
False
Which of the following statements about switches is false?
A switch is typically deployed as an egress device of a network
A switch usually works at the data link layer
A switch can provide network access services for terminals such as PCs and servers
A switch can exchange data frames
Network Functions Virtualization (NFV) implements software-based network application deployment.
True
False
Which of the following IPv4 addresses can be directly used by a host to access the Internet?
192.168.1.1/24
10.255.255.254/24
172.16.255.254/24
172.32.1.1/24
Refer to the following IP routing table on the router R1. If R1 sends a data packet with the destination IP address 10.0.2.2, which of the following interfaces will R1 use to send the packet?
GigabitEthernet0/0/0
Ethernet0/0/0
Ethernet0/0/1
Ethernet0/0/2
What is the protocol number of OSPF at the network layer?
0
1
6
89
Which of the following elds is not included in the OSPF Hello packet?
Hello Interval
Neighbor
Network Mask
sysname
Which of the following OSPF states can be used to indicate that an adjacency relationship has been established?
Down
2-way
Full
Attempt
VLAN 4095 is reserved for system use and VLAN 1 cannot be deleted on Huawei switches.
True
False
Which of the following statements is true?
Switches work at the network layer
Routers work at the network layer
Switches work at the physical layer
Routers work at the physical layer
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments
True
False
Assuming that OSPF has been enabled on all routers in the following gure, which router is the BDR on this network?
Router A
Router B
Router C
Router D
Which of the following statements about the functions and packet encapsulation of the ARP protocol is true?
The ARP cache on a network device can be obtained only through the ARP protocol.
The MAC address and UUID of the destination device can be obtained through ARP.
ARP can be deployed on PPP and HDLC links
ARP packets are encapsulated over Ethernet.
An authenticator router has been con gured with two domains named “Area1” and “Area2”, following which a user is created with the username “huawei” and the password “hello” for authentication. Which domain does this user belong to?
Area1 domain
Area2 domain
default domain
default_admin domain
IPv6 uses NS and NA packets to perform duplicate address detection (DAD)
True
False
A network administrator wishes to implement VLAN 10 to isolate certain users. It is common however for these users to often change their physical location. Which of the following VLAN implementations should be used?
Port based VLAN assignment.
Protocol based VLAN assignment.
MAC based VLAN assignment.
IP subnet based VLAN assignment.
Refer to the following display vlan command output on SWA. Which one of the following interfaces can forward untagged data frames from VLAN 40
GE0/0/2
GE0/0/3
GE0/0/4
GE0/0/5
The tracert diagnostic tool of Huawei routers is used to trace data forwarding paths
True
False
Which of the following port states is not included in Rapid Spanning Tree Protocol (RSTP)?
Forwarding
Learning
Discarding
Blocking
Refer to the following con guration of an interface on a switch. For witch VLAN does the interface transmit tagged data frames?
#
interface GigabitEthernet0/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
#
1, 2, 3, 100
2, 3, 100
2, 3, 4, 6, 100
1, 2, 3, 4, 6, 100
An AC is a uni ed management and control device in the AC + Fit AP architecture. Which of the following functions is not supported by the AC?
User access control
AP con guration delivery
User access authentication
User data packet forwarding regardless of the data forwarding mode
In a broadcast address, all host bits are set to 1 and a broadcast address can be used as a host address
True
False
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
802.11a
802.11g
802.11n
802.11ax
The network Management Station uses SNMP to manage devices, which SNMP message is sent when an SNMP registered abnormal event occurs?
get-response
set-request
trap
get-request
The controller is the core component of SDN and connects to devices through southbound interfaces. Which of the following are southbound protocols used by the controller? (Choose two.)
OpenFlow
NETCONF
SNMP
PCEP
When both ends running PPP protocol detect that the physical link is active, the link state will transit from dead to establish. Which of the following protocols is used to negotiate the link parameters during this phase?
IP
DHCP
LCP
NCP
Which of the following application-layer protocols are based on TCP?
Ping
TFTP
FTP
HTTP packet
Which of the following is not an open API of Huawei controllers?
RESTful
NETCONF
AAA
OpenFlow
Which of the following elds are included in an MPLS header? (Choose three.
Label
Tos
EXP
TTL
Which of the following statements regarding the router ID in OSPF are incorrect?
The router IDs of OSPF routers in the same area must be the same, but can be different in different areas
The router ID must be the IP address of an OSPF router interface
The router ID must be con gured manually
A router running OSPF must have a router ID for it to operate properly.
In STP, which of the following items may affect the selection of the root switch? (Choose two.)
Switch priority.
Switch port ID
Switch interface bandwidth
Switch MAC address.
Switch IP address.
Which of the following are features of the OSPF protocol?
Routing loops are likely to occur
Triggered update is supported
The shortest path is calculated based on the number of hops.
Area division is supported.
Static NAT can only implement one-to-one mapping between private and public addresses
true
false
Which of the following statements about the routing table show in the gure are true?
The next hop in the route to the destination network 10.0.3.3/32 is not directly connected. Therefore, the local router does not forward data packets destined for 10.0.3.3.
The local router forwards data packets destined for 10.0.3.3 from Ethernet0/0/0.
The local router forwards data packets destined for 10.0.2.2 from Erthernet0/0/0
The local router forwards data packets destined for 10.0.12.1 from Ethernet0/0/0
Which of the following methods can be used to assign service VLANs during campus network planning?
VLAN assignment by geographic area
VLAN assignment by logical area
VLAN assignment by personnel structure
VLAN assignment by service type
If the MAC address of an interface is 00E0-FCEF-0FEC, the corresponding EUI-64 address is ( ).
02E0-FCFF-FEEF-0FEC
02E0-FCEF-FFFE-0FEC
00E0-FCFF-FEEF-0FEC
00E0-FCEF-FFFE-0FEC
