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Exam : HuaWei GB0-183English
Title : HuaWei-3Com Certificated Network Engineer


1. Two routers are in back-to-back connection with the following configuration. Can they communicate with each other? ( )
[Router1] display current-configuration
#
sysname Router1
#
FTP server enable
#
l2tp domain suffix-separator @
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
local-user h3c
password simple h3c
service-type ppp
#
interface Aux0
async mode flow
#
interface Serial0/0
link-protocol ppp
ppp authentication-mode chap
ppp chap user h3c
ip address 10.0.0.1 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
[Router2] display current-configuration
#
sysname Router2
#
FTP server enable
#
l2tp domain suffix-separator @
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
local-user h3c
password simple 3com
service-type ppp
#
interface Aux0
async mode flow
#
interface Serial0/0
clock DTECLK1
link-protocol ppp
ppp authentication-mode chap
ppp chap user h3c
ip address 10.0.0.2 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
A. Yes
B. No
C. No decision can be made, for there is not enough information.
Answer: B

2. Frame Relay adopts ( ) as the switching method.
A. Routing
B. Circuit switching
C. Fast switching
D. Packet switching
Answer: D

3. RIP adopts ( ) as the transport protocol with the port number 520.
A. TCP
B. UDP
C. IP
D. PPP
Answer: B

4. Both the transport layer and the data link layer perform error check. ( )
A. True
B. False
Answer: A

5. A network protocol is a set of rules and conventions that prescribe how network devices inter-communicate. The communication parties shall understand and abide the protocol. ( )
A. True
B. False
Answer: A

6. Which of the following is right about OSPF? ( )
A. It is fast in convergence.
B. It is loop-free, and supports variable-length subnet mask.
C. It supports equal-cost multipath and area division.
D. It supports authentication, and the protocol packets sending with multicast.
Answer: ABCD

7. Two routers are in back-to-back connection with the following configuration. Can they communicate with each other? ( )
[Router1]display current-configuration
#
sysname Router1
#
FTP server enable
#
l2tp domain suffix-separator @
#
fr switching
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
#
interface Aux0
async mode flow
#
interface Ethernet0/0
ip address dhcp-alloc
#
interface Ethernet0/1
ip address dhcp-alloc
#
interface Serial0/0
link-protocol fr
fr interface-type dce
#
interface Serial0/0.1 p2p
fr dlci 20
ip address 10.0.0.1 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
[Router2]display current-configuration
#
sysname Router2
#
FTP server enable
#
l2tp domain suffix-separator @
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
#
interface Aux0
async mode flow
#
interface Ethernet0/0
ip address dhcp-alloc
#
interface Ethernet0/1
ip address dhcp-alloc
#
interface Serial0/0
clock DTECLK1
link-protocol fr
#
interface Serial0/0.1 p2p
fr dlci 20
ip address 10.0.0.2 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
A. Yes
B. No
C. No decision can be made, for there is not enough information.
Answer: A

8. To test the gateways that a packet will pass through from the source host to the destination, use the command ( ) in the H3C COMWARE command line.
A. ping
B. tracert
C. show path
D. display path
Answer: B

9. Common routing protocols are ( ).
A. IPX
B. OSPF
C. RIP
D. IP
Answer: BC

10. If the user data exceeds the Bc (committed burst ) in a frame relay network, the exceeding data will be dropped. ( )
A. True
B. False
Answer: B

11. The command to save the current configuration on the H3C router COMWARE 3.4 is ( ).
A. write
B. save
C. copy
D. reset
Answer: B

12. The H3C AR routers can be upgraded in different ways. Which of the following is not supported? ( )
A. Xmodem
B. FTP
C. TFTP
D. HGMP
Answer: D

13. Which layer of the OSI reference model implements encryption. ( )
A. Physical layer
B. Transport layer
C. Session layer
D. Presentation layer
Answer: D

14. What algorithm is adopted in PPP CHAP authentication? ( )
A. MD5
B. DES
C. RSA
D. SHA
Answer: A