GB0-190-EN Exam Questions
88 real GB0-190-EN exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1Network Management and Troubleshooting
During system startup, you can press ______ to interrupt system booting and enter the Boot ROM mode.
Boot ROMsystem startupMSR routerCLI shortcuts - Question #2Network Management and Troubleshooting
On an MSR router, a configuration file is saved as a ______.
configuration filefile formatMSR routerfile system - Question #3Network Management and Troubleshooting
On an MSR router, you can use the ______ command to display the current path of the file system.
file systemCLI commandspwdMSR router - Question #4Network Management and Troubleshooting
Which of the following statements are TRUE about the VTYs on an H3C device? (Choose one or more)
VTYremote accesstelnetH3C device - Question #5Network Management and Troubleshooting
After a file is specified as the startup configuration file for next reboot on an MSR router, you can use the ______ command to verify that the file is successfully specified.
startup configurationdisplay startupMSR routerreboot - Question #6Routing Principles and Protocols
A network is set up as shown in the diagram. All interfaces of the four routers are OSPF-enabled, and are all in OSPF Area 23. All network segments can communicate with each other....
OSPFLSDBSPF algorithmOSPF area - Question #7Routing Principles and Protocols
A network is set up as follows: HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB MSR-1 and MSR-2 are connected through a dedicated line. Configure the following thre...
static routingrouting tableroute preferenceMSR router - Question #8Routing Principles and Protocols
The following route entry is found in the routing table of an MSR router: Which of the following statements are TRUE about the route entry? (Choose one or more)
routing tableroute entrydynamic routingdirect route - Question #10Routing Principles and Protocols
Two routers, MSR-1 and MSR-2, are connected back-to-back through their respective GigabitEthernet 0/0 interfaces. Perform the following configuration on MSR-1: Assume the two route...
RIPclassful routingroute advertisementsubnet mask - Question #11Routing Principles and Protocols
The diagram shows four ways of partitioning OSPF areas. Which of them are CORRECT? (Choose one or more)
OSPF areasbackbone areaarea designOSPF topology - Question #13Routing Principles and Protocols
The routing table of a router contains a default route to the network identified by address 0.0.0.0 and mask 0.0.0.0, and its next hop is interface Serial 0/0 of the router. Which...
default routelongest prefix matchroute preferencerouting table - Question #14Routing Principles and Protocols
PPP is enabled on the WAN link between two routers MSR-1 and MSR-2. The two routers run RIP to advertise routes to each other. MSR-1 has learned the RIP routes advertised by MSR-2,...
RIPsilent-interfacetroubleshootingroute advertisement - Question #15Routing Principles and Protocols
WAN interfaces Serial 1/0 and Serial 1/1 of MSR-1 connect to MSR-2 and MSR-3 respectively. An Ethernet interface of MSR-1 connects to MSR-4. The four routers run RIP and have learn...
RIPloop avoidancehold-down timerroute suppression - Question #16Routing Principles and Protocols
An MSR router has two default routes: route A manually configured with the next hop address being 100.1.1.1 and route B learned by RIP from the neighbor router with the next hop ad...
route preferencestatic routeRIPadministrative distance - Question #17Routing Principles and Protocols
Configure the following two static routes on a router in order: ip route-static 192.168.0.0 255.255.240.0 10.10.202.1 preference 100 ip route-static 192.168.0.0 255.255.240.0 10.10...
static routeroute preferenceip route-staticrouting table - Question #18WAN Technologies and Configuration
Which of the following statements are TRUE about circuit switching and packet switching? (Choose one or more)
circuit switchingpacket switchingWANswitching technologies - Question #19Network Fundamentals and Basics
Which of the following statements are TRUE about IP addresses? (Choose one or more)
IP addressingaddress classesClass Anetwork ID - Question #20LAN Technologies and Configuration
Which of the following statements are FALSE about MAC addresses?
MAC addressNICphysical addressEthernet - Question #21WAN Technologies and Configuration
Two routers are connected back to back with a V.35 cable. The following is the output displayed on one router: According to the output, you can conclude that ______.
PPPWAN linkV.35 cablePPP negotiation - Question #22Network Fundamentals and Basics
In the TCP connection establishment process shown in the figure, the value for Z in the SYN message should be ______.
TCPthree-way handshakeSYN messagesequence number - Question #23Network Fundamentals and Basics
A Hub works on the ______ of the OSI reference model.
OSI modelphysical layerhubnetwork devices - Question #24WAN Technologies and Configuration
Three MSR routers RTA, RTB, and RTC connect to a frame relay network via their respective Serial 1/0 interfaces. The frame relay network can provide sufficient PVCs. As a network e...
frame relayPVCIP subnettingWAN addressing - Question #25WAN Technologies and Configuration
Two null-configuration MSR routers RTA and RTB are connected back-to-back through their respective Serial 1/0 interfaces. Configure RTA and RTB as follows: The physical link betwee...
frame relayDLCIP2MP subinterfaceserial interface - Question #27WAN Technologies and Configuration
Which of the following statements are TRUE about HDLC?
HDLCdata link layerWAN protocolsframe format - Question #28WAN Technologies and Configuration
The following ISDN DCC configuration is made on an MSR router: Which of the following statements are TRUE about the configuration? (Choose one or more)
ISDNDCCdial-on-demanddialer-group - Question #29WAN Technologies and Configuration
A customer network is set up as follows: HostA----GE0/0--MSR-1--S1/0-----WAN----S1/0--MSR-2--GE0/0----HostB If the WAN supports only the synchronous mode, the Serial 1/0 interfaces...
synchronous WANPPPHDLCserial interface - Question #30WAN Technologies and Configuration
Which of the following statements are TRUE about PPP?
PPPPAPCHAPNCP negotiation - Question #31Network Fundamentals and Basics
Which of the following commands can be used to enable DHCP service on a router?
DHCProuter configurationCLI commandIP addressing - Question #32Network Fundamentals and Basics
A DHCP client sends ______ messages to the DHCP server to update the lease of its IP address.
DHCPlease renewalDHCP Requestmessage types - Question #33Network Fundamentals and Basics
A DNS server can resolve domain names to IP addresses. If a DNS server can provide official domain name mappings, it must be a(n) ______.
DNSauthoritative serverdomain resolutionname server types - Question #34Network Fundamentals and Basics
Which of the following IPv6 addresses are correct? (Choose one or more)
IPv6address notationaddress compressionaddress format - Question #35Network Fundamentals and Basics
To divide a Class C network 211.110.10.0 into at least eight subnets, the subnet mask length can be ___ bits.
subnettingClass C networksubnet maskCIDR - Question #37LAN Technologies and Configuration
Which of the following statements are TRUE about STP, RSTP, and MSTP? (Choose one or more)
STPRSTPMSTPspanning tree convergence - Question #38LAN Technologies and Configuration
Compared with traditional LAN technology, what benefits does VLAN technology deliver?
VLANbroadcast domainnetwork segmentationvirtual workgroup - Question #39Network Security Features
Which of the following statements are TRUE about port-based 802.1X on a port?
802.1Xport-based authenticationaccess controlport security - Question #40LAN Technologies and Configuration
Which of the following commands can be used to configure port Ethernet 1/0/1 of SWA as an edge port?
STPedge portCLI commandswitch configuration - Question #41LAN Technologies and Configuration
Port Ethernet 1/0/24 on SWA is a trunk port. To permit packets of VLAN 2 and VLAN 3 to pass through this port, what command should be configured?
VLAN trunktrunk portCLI commandswitch configuration - Question #42LAN Technologies and Configuration
To create an aggregate interface with ID being 2 and containing member port Ethernet 1/0/1 on an S3610 switch, which of the following commands should be used? (Choose one or more)
link aggregationbridge-aggregationLAGswitch configuration - Question #44LAN Technologies and Configuration
As shown in the figure, all switches are enabled with STP. According to the information in the figure, ______ will be elected the root bridge.
STProot bridge electionbridge IDspanning tree - Question #45WAN Technologies and Configuration
Which of the following statements are FALSE about Easy IP? (Choose one or more)
Easy IPNAPTNATACL - Question #46Network Security Features
An MSR router connects to the Internet through interface Serial 1/0, and to LAN segment 10.0.0.0/8 through interface GigabitEthernet 0/0. There is an FTP server with IP address 202...
ACLFTPpacket filteringaccess control - Question #47Network Security Features
Configure interface Ethernet 1/0 of MSR-1 as follows: interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 The interface connects to a Layer 3 switch, which is the default ga...
ACLTelnet restrictionaccess controlMSR router - Question #48WAN Technologies and Configuration
In the network as shown in the diagram, which of the following NAPT configurations are CORRECT?
NAPTNATACLaddress translation - Question #49Routing Principles and Protocols
Two customer routers MSR-1 and MSR-2 are interconnected via their respective GigabitEthernet 0/0 interfaces, and RIP runs between the two routers. RIP on each router has learned ro...
ACLRIProute filteringinbound direction - Question #50Routing Principles and Protocols
PPP is enabled on the Serial 0/0 interfaces of two customer routers MSR-1 and MSR-2. The two routers are configured with RIP to learn routes from each other. The configuration on M...
RIPdefault routeroute redistributionimport-route - Question #51Network Management and Troubleshooting
When you use the ping command on an MSR router, you can use the_____________parameter to set the source IP address of ICMP echo requests.
pingICMPsource IPCLI parameters - Question #52WAN Technologies and Configuration
A customer network is set up as shown in the diagram. The IP addresses of RTA, RTB, and RTC are 2.2.2.1/24, 2.2.2.2/24, and 2.2.2.3/24 respectively. To enable RTA to communicate wi...
Frame Relayfr mapPVCIP mapping - Question #53WAN Technologies and Configuration
A customer network is set up as follows: HostA----GE0/0--MSR-1--S1/0-----WAN----S1/0--MSR-2-- GE0/0----HostB The WAN supports only the synchronous mode. If the Serial 1/0 interface...
PPPHDLCIP negotiationserial interface - Question #54WAN Technologies and Configuration
Two branches of a company are interconnected through an HDLC-enabled synchronous dedicated line. Which of the following statements is TRUE about the security performance of HDLC?
HDLCPPPauthenticationWAN security - Question #55WAN Technologies and Configuration
During PPP session establishment, if the physical layer is detected unavailable, the PPP link moves to the ______ phase.
PPPlink phasesDead phaseLCP state machine