4A0-100 Exam Questions
388 real 4A0-100 exam questions with expert-verified answers and explanations. Page 7 of 8.
- Question #302Network Addressing
Given network address 200.12.30.0 with network mask 255.255.255.0, which subnet mask can be used to create 12 subnetworks? Each subnetwork must support 10 host addresses.
subnettingsubnet mask/28host calculation - Question #303Network Addressing
Which bit pattern represents a subnet mask of 255.255.240.0?
subnet maskbinary representation255.255.240.0/20 - Question #304Network and Infrastructure Performance Management Integration
How does address summarization reduce the routing table size?
address summarizationroute aggregationrouting tableCIDR - Question #305Network Addressing
A network with address 208.40.224.0/24 is divided into /28 subnets. What is the network address of the third subnet?
subnetting/28subnet enumerationnetwork address - Question #306IP Network Fundamentals
Which of the following IP header fields defines the way packets should be queued?
IP headerType of ServiceQoSpacket queuing - Question #307Routing Fundamentals
Which of the following statements about packet forwarding is FALSE?
packet forwardingforwarding tablelongest matchingress IOM - Question #308Network and Infrastructure Performance Management Integration
What is the most specific aggregate prefix for the following 4 subnets? 136.160.17.192/29 136.160.17.200/29 136.160.17.208/29 136.160.17.216/29
subnet aggregationCIDRprefix calculationIP addressing - Question #309Routing Fundamentals
Which of the following protocols is used to exchange routes between routers R1 and R2, and between routers R4 and R5?
BGPeBGPinter-domain routingrouting protocols - Question #310Routing Fundamentals
What type of BGP sessions does router R2 need to establish in order to reach network 192.168.5.0/27?
BGPiBGPeBGPBGP peering sessions - Question #311IP Network Fundamentals
Which of the following statements about IP filters on a Nokia 7750 SR is FALSE?
IP filtersNokia 7750 SRdefault actionaccess control - Question #312Routing Fundamentals
What is the next-hop address used on router R1 to configure a static route to the network on CR1?
static routingnext-hop addressroute configurationIP addressing - Question #313Routing Fundamentals
Which of the following routing protocols cannot be used between routers R2 and R4?
BGPiBGPeBGPAS boundary - Question #314Routing Fundamentals
What is the next-hop for network 172.16.2.0/24 installed in router 1's routing table?
routing tablenext-hoproute lookupIP routing - Question #315Routing Fundamentals
Router R5 receives four route updates for the same prefix 10.10.10.1/32. Which of the four routes will be installed in R5's routing table?
route selectionrouting tableroute preferencebest route - Question #316Routing Fundamentals
Which of the following statements about the OSPF HELLO message is TRUE?
OSPFHELLO messageneighbor adjacencylink state protocol - Question #317IP Network Fundamentals
Which of the following about the displayed IP filter is TRUE?
IP filtersACLUDPpacket filtering - Question #318Routing Fundamentals
What is the preference value in the routing table used for?
routing tableroute preferenceadministrative distanceprotocol selection - Question #319Service Fundamentals
Which of the following statements about SDPs is FALSE?
SDPMPLS tunnelsNokia 7750 SRservice architecture - Question #320Service Fundamentals
Which of the following statements about VPWS service on a Nokia 7750 SR is FALSE?
VPWSLayer 2 VPNMPLS encapsulationNokia 7750 SR - Question #321Service Fundamentals
Which of the routers is the iLER for LSP B?
MPLSLSPiLERlabel edge router - Question #322Service Fundamentals
What type of VPN service does a VPWS provide?
VPWSLayer 2 VPNpoint-to-point serviceVPN types - Question #323Service Fundamentals
What operation is performed by an egress Label Edge Router (eLER) when it receives an MPLS labeled packet?
MPLSeLERlabel poplabel operations - Question #324Data Link Protocols
What problem was Spanning Tree Protocol (STP) primarily designed to solve?
Spanning Tree Protocolbroadcast stormloop preventionLayer 2 redundancy - Question #325Network Addressing
What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
DHCPIP address assignmentnetwork configurationclient-server - Question #326IP Network Fundamentals
Which tier of Internet service providers can reach any part of the Internet without having to purchase transit services from other Internet service providers?
ISP tiersTier 1 ISPtransit-free routinginternet peering - Question #327IP Network Fundamentals
Which of the following is NOT a characteristic of the Internet protocol layer?
IP layer functionsprotocol stackdatagram forwardingTCP/IP model - Question #328IP Network Fundamentals
Which of the following is NOT a characteristic of the Internet?
Internet architecturedistributed networknetwork ownership - Question #329Routing Fundamentals
Which of the following is NOT a function of the control plane?
control planedata planeforwarding tablerouter functions - Question #330Service Fundamentals
Which of the following is NOT a valid log source in a Nokia 7750 SR?
Nokia 7750 SRlog sourcesloggingnetwork management - Question #331Data Link Protocols
What happens when a switch receives an Ethernet frame with unknown source and destination MAC addresses?
MAC learningMAC FDBframe floodingEthernet switching - Question #332Data Link Protocols
A switch with the MAC FDB shown receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address 00:00:8c:01:00:0c. On which port is the frame forwa...
MAC FDB lookupframe forwardingport selectionEthernet switching - Question #333Data Link Protocols
If a 5-port LAG is configured with the option of `port-threshold 2 action down', and dynamic-cost is enabled, what will happen if the total number of operational links in the LAG i...
LAGport-thresholddynamic-costlink aggregation - Question #334Data Link Protocols
What type of MAC address is ff:ff:ff:ff:ff:ff?
MAC address typesbroadcast addressEthernet addressing - Question #335Service Fundamentals
Which of the following statements about IP filters on a Nokia 7750 SR is TRUE?
IP filtersNokia 7750 SRACLinterface policy - Question #336Service Fundamentals
Which of the following about the displayed IP filter is TRUE?
IP filtersACL interpretationTCP trafficpacket filtering - Question #337Routing Fundamentals
Which of the following routing protocols provides routing between routers R1 and R2?
BGProuting protocolsinter-AS routingroute selection - Question #338Routing Fundamentals
What next-hop address should router R2 use to reach a host on 192.168.2.0/24?
next-hop determinationrouting tableIP forwardingroute lookup - Question #339Network and Infrastructure Performance Management Integration
Which of the following is a characteristic of Link State protocols?
link state protocolnetwork topologyrouting protocolOSPF - Question #340Routing Fundamentals
When forwarding a packet, which field in the following table determines the egress interface?
routing table fieldsnext-hopegress interfacepacket forwarding - Question #341Service Fundamentals
Which of the following statements about router R3 is TRUE?
MPLS rolesLERLSRLSP topology - Question #342Service Fundamentals
Which device is responsible for removing the MPLS label before the packet reaches the customer?
MPLS label removalegress LERlabel operationsMPLS forwarding - Question #343Service Fundamentals
Which of the MPLS routers is responsible for pushing new labels for LSP A and LSP B?
MPLS label pushingingress LERLSPlabel stack operations - Question #344Service Fundamentals
From the CE perspective, how does a VPWS operate?
VPWSVPN servicesCE perspectivepoint-to-point circuit - Question #345IP Network Fundamentals
Which of the following is NOT a function of the Internet layer in the TCP/IP model?
TCP/IP modelInternet layermedium access controlprotocol stack - Question #346Network and Infrastructure Performance Management Integration
Which of the following is a function of the Link layer?
link layerOSI modelframe encapsulationphysical media - Question #347Network and Infrastructure Performance Management Integration
Which of the following is NOT a characteristic of a Virtual Private Network (VPN)?
VPNnetwork isolationshared infrastructuredata integrity - Question #348Deep Dive into Application Performance Monitoring
Which of the following Nokia 7750 SR components is NOT part of the data plane?
Nokia 7750 SRdata planecontrol planeCPM - Question #349Service Fundamentals
Which of the following about transactional configuration is FALSE?
transactional configurationcandidate datastorerunning configurationconfiguration management - Question #350Service Fundamentals
Which configuration edit mode does NOT give you access to the global candidate configuration?
configuration edit modescandidate configurationread-only modeedit access - Question #351Service Fundamentals
On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact flash?
event loggingNokia 7750 SRcompact flashlog destination