Huawei H12 811 Hcia Datacom V1 0 Practice Test - Set 1

Test your knowledge with this Huawei H12 811 Hcia Datacom V1 0 mock exam. Get real-world IT questions and prepare for certification success.

H12-811: Huawei HCIA-Datacom V1.0 - Exam Information

Exam Information

Exam Code

Huawei H12 811 Hcia Datacom V1 0

Exam Title

H12-811: Huawei HCIA-Datacom V1.0

Vendor

Huawei

Difficulty

Beginner

Duration

90 Minutes

Question Format

Multiple Choice

Last Updated

March 21, 2025

The H12-811 exam tests the fundamental skills required for Huawei HCIA-Datacom certification, covering networking, routing, and switching.

Practice Test

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1. Which protocol is used for IP address configuration in Huawei Datacom networks?

DHCP
DNS
BGP
NAT

2. Which layer of the OSI model is responsible for end-to-end communication?

Transport
Network
Data Link
Physical

3. What is the default subnet mask for a Class C IP address?

255.255.255.0
255.255.0.0
255.0.0.0
255.255.255.255

4. Which routing protocol is used for large-scale enterprise networks?

OSPF
RIP
EIGRP
BGP

5. Which device is responsible for forwarding packets based on IP addresses?

Router
Switch
Hub
Firewall

6. Which command is used to check the IP configuration of a Huawei router?

display ip interface brief
show interfaces
ipconfig
netstat -rn

7. What is the function of ARP in a network?

Resolve IP addresses to MAC addresses
Route packets
Filter network traffic
Encrypt data packets

8. Which protocol is used for secure remote login?

SSH
Telnet
FTP
HTTP

9. Which technology reduces broadcast traffic in VLANs?

VLAN Trunking
STP
LACP
BGP

10. What is the purpose of NAT in networking?

Translate private IPs to public IPs
Encrypt network traffic
Filter network packets
Increase bandwidth

11. Which command is used to enable an interface on a Huawei switch?

interface up
enable interface
ifconfig up
port enable

12. Which protocol is used for automatic network device discovery?

LLDP
SNMP
ARP
RIP

13. Which type of cable is used to connect two switches?

Crossover
Straight-through
Coaxial
Fiber Optic

14. Which command is used to save the configuration on a Huawei router?

save
write memory
copy run start
commit

15. What is the function of STP in a network?

Prevent loops
Improve speed
Encrypt traffic
Monitor devices

16. Which protocol is responsible for email sending?

SMTP
POP3
IMAP
SNMP

17. Which protocol is used for network time synchronization?

NTP
DNS
SNMP
BGP

18. Which protocol is used for dynamically assigning IP addresses?

DHCP
ICMP
ARP
BGP

19. Which protocol is used to resolve domain names to IP addresses?

DNS
DHCP
BGP
SNMP

20. Which device is used to connect multiple network segments and operate at Layer 2?

Switch
Router
Firewall
Modem

21. Which protocol is used for dynamic routing in Huawei devices?

OSPF
ARP
ICMP
FTP

22. What is the default administrative distance of a directly connected route?

0
1
90
110

23. Which command displays the routing table on a Huawei router?

display ip routing-table
show route
netstat -r
display routes

24. What is the purpose of a default gateway?

Route traffic to external networks
Assign IP addresses
Filter packets
Resolve MAC addresses

25. Which VLAN is reserved for native VLAN in trunking?

VLAN 1
VLAN 0
VLAN 4096
VLAN 100

26. What does TTL stand for in an IP header?

Time To Live
Time To Load
Transmission Time Limit
Total Traffic Limit

27. Which port does Telnet use by default?

23
22
80
443

28. What is the function of ICMP?

Report network errors
Encrypt traffic
Route packets
Assign IPs

29. Which command reboots a Huawei router?

reboot
restart
shutdown -r
reset

30. Which protocol is used for file transfers?

FTP
HTTP
SNMP
BGP

31. What is the purpose of a loopback interface?

Provide a stable router ID
Connect to a LAN
Filter traffic
Assign DHCP

32. Which command checks interface status on a Huawei switch?

display interface brief
show interfaces
ifconfig
ip link show

33. Which WAN technology uses packet-switching?

MPLS
Leased Line
PSTN
ISDN

34. What is the maximum hop count for RIP?

15
16
255
30

35. Which encryption does SSH use by default?

AES
DES
RC4
3DES

36. What is the purpose of QoS?

Prioritize traffic
Encrypt data
Assign IPs
Block attacks

37. Which command resets a Huawei switch to factory settings?

reset saved-configuration
erase startup-config
factory-reset
clear config

38. Which protocol is used for VLAN tagging?

802.1Q
802.11
STP
LACP

39. What is the function of a CSU/DSU?

Convert digital signals for WAN
Route packets
Filter spam
Assign IPs

40. Which Huawei OS is used in enterprise routers?

VRP
iOS
Junos
NX-OS

41. What is the purpose of HSRP?

Provide gateway redundancy
Encrypt traffic
Filter packets
Assign VLANs

42. Which command shows ARP entries?

display arp
show mac-address-table
arp -a
display ip arp

43. Which layer does a hub operate at?

Physical
Data Link
Network
Transport

44. What is the purpose of a T1 line?

Provide 1.544 Mbps WAN connectivity
Route LAN traffic
Filter broadcasts
Assign IPs

45. Which command assigns an IP to a Huawei interface?

ip address
set interface ip
ifconfig
configure ip

The Huawei H12 811 Hcia Datacom V1 0 certification is a globally recognized credential for IT professionals. This practice test helps you prepare by covering key topics like hardware, networking, troubleshooting, and security.

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