4A0-100 Exam Questions
388 real 4A0-100 exam questions with expert-verified answers and explanations. Page 3 of 8.
- Question #101Service Fundamentals
How does LDP select the path used for an LSP?
LDPLSP path selectionIGPMPLS - Question #102Service Fundamentals
A CE device has a physical connection to which device in the service providers MPLS network?
CE routerPE routerMPLS topologyprovider network - Question #103Service Fundamentals
Which of the following are accurate statements about the PE device in a service providers MPLS network? (Select three)
PE routerMPLS topologyprovider edgeCE connectivity - Question #104Service Fundamentals
Where would you expect to find a P router in a service provider's network?
P routerMPLS coreprovider networknetwork topology - Question #105Service Fundamentals
Which of the following are considered Virtual Private Networks? Choose all that apply.
VPWSVPLSVPRNVPN types - Question #106Service Fundamentals
Which of the following are NOT examples of a VPN service offered on the Alcatel-Lucent 7750 SR? Choose two.
VPWSVPLSVPRNAlcatel-Lucent 7750 SR - Question #107Service Fundamentals
Which statement best describes a SAP?
SAPservice access pointPE deviceVPN access - Question #108Service Fundamentals
If a customer requires a multipoint layer 2 VPN service between three or more locations which VPN service is best suited for this customer?
VPLSmultipoint L2 VPNservice selectionVPWS - Question #109Service Fundamentals
What does a VPLS solution look like from a customers perspective?
VPLScustomer perspectiveswitched LANL2 VPN - Question #110Service Fundamentals
Which of the following best describes the function of the service label?
service labelMPLS labelingress PEencapsulation - Question #111Service Fundamentals
In regards to the Alcatel-Lucent 7750 SR-12 router, how many of the front access card slots are dedicated for Control Processors?
7750 SR-12control processorhardware architecturecard slots - Question #112Service Fundamentals
From the CE perspective, how does a VPLS operate?
VPLSCE perspectiveswitched LANmultipoint L2 - Question #113Data Link Protocols
Which of the following is a characteristic of Layer 2 framing?
L2 framingerror checkingEthernet frameFCS - Question #114Routing Fundamentals
The statement below describes which of the following activities? "A set of tasks that moves a packet from its entry into an IP network to its exit from the IP network."
IP forwardingpacket routingnetwork traversal - Question #115Service Fundamentals
Which of the following are considered Virtual Private Network (VPN) technologies? (Choose 3)
VPWSVPRNVPLSVPN technologies - Question #116Network Addressing
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will be obtained with this mask?
subnettingCIDR notation/26 maskhost calculation - Question #117Data Link Protocols
What problem was Spanning Tree Protocol (STP) primarily designed to solve?
STPspanning tree protocolL2 redundancyloop prevention - Question #118Routing Fundamentals
Based on the network diagram (clickthe Exhibit Button). R2 wants to connect a host on 192.168.2.0/24 behind CR1. What is the correct next-hop to use, assuming R1 is configured corr...
static routingnext-hop selectionIP routingnetwork diagram - Question #119Network Addressing
What is the purpose of a broadcast address?
broadcast addressIP addressingnetwork broadcast - Question #120Routing Fundamentals
Based on the network diagram (click the Exhibit Button), what is the next-hop used on R1 to setup a static route to the network on CR1?
static routingnext-hop configurationIP routingnetwork diagram - Question #121Routing Fundamentals
Which field in the Routing Information Base (RIB) determines the direction frames will egress the node?
RIBnext-hoprouting tablepacket forwarding - Question #122Service Fundamentals
Which of the following applications would be likely to use UDP?
UDPVoIPtransport protocolsreal-time traffic - Question #123Routing Fundamentals
What are the tasks of a Routing Table Manager (RTM)? (Choose 2)
RTMroute selectionrouting tablerouting protocols - Question #124Routing Fundamentals
Based on the network diagram (click the Exhibit Button), what are the prefix, mask, and next-hop used on CR1 to setup a default static route to R1?
default static routeprefixnext-hopIPv4 - Question #125Network Addressing
Which bit pattern identifies the network address in the subnet mask?
subnet maskbinarynetwork addressIP addressing - Question #126Network Addressing
Which of the following are important to consider when designing IPv4 subnets? (Choose 3)
IPv4 subnetssubnet designnetwork growthhost capacity - Question #127Service Fundamentals
Which of the following statements regarding TCP is TRUE?
TCPsequence numbersreliable transportconnection-oriented - Question #128Network Addressing
Which of the following statements is TRUE regarding IP addressing?
classless addressingVLSMIP hierarchyclassful vs classless - Question #129Routing Fundamentals
Which of the following statements best characterize Distance Vector Routing? (Choose 2)
distance vector routingrouting table exchangeconvergencetopology knowledge - Question #130Routing Fundamentals
Which of the following describes a static default route?
static default routeRIBdefault routepacket forwarding - Question #131Routing Fundamentals
Which of the following is a characteristic of a static route?
static routenext-hopmanual routingoperator configuration - Question #132Data Link Protocols
Which of the following are functions of VLANs? (Choose 2)
VLANsbroadcast domainlayer 2 switchingnetwork segmentation - Question #133Service Fundamentals
Which of the following information can be seen within the FILE context of the SR 7x50? (Choose 2)
SR 7750file contextTiMOSCLI - Question #134Data Link Protocols
Which of the following best describes a repeater?
repeatersignal regenerationlayer 1physical layer - Question #135Service Fundamentals
Which of the following statements is TRUE regarding a VPWS service?
VPWSpoint-to-pointmulticast handlingpseudowire - Question #136Network Addressing
Public IP addresses are globally coordinated by which organization?
IANApublic IP addressesaddress coordinationIP governance - Question #137IP Network Fundamentals
Which of the following protocols belongs to the OSI suite of protocols? (Choose 2)
OSI protocolsIS-ISX.500protocol suites - Question #138Data Link Protocols
Which of the following is TRUE regarding Ethernet half-duplex transmission?
Ethernethalf-duplexCSMA/CDhub - Question #139Data Link Protocols
What is the basic unit of framing in SDH and the bit rate for transmission?
SDHSTM-1bit rateframing - Question #140Service Fundamentals
Which of the following SAP types can be associated to a VPWS? (Choose 3)
VPWSSAP typesEthernetATMFrame Relay - Question #141Service Fundamentals
Which of the following statements are TRUE about the Alcatel-Lucent SR 7750? (Choose 2)
SR 7750compact flashhardware bootrouter hardware - Question #142IP Network Fundamentals
Which answer reflects the correct message sequence used when a source attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?
ARPICMPpingmessage sequence - Question #143Data Link Protocols
Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)
SONET/SDHADMPPP encapsulationtransport protocols - Question #144IP Network Fundamentals
Which protocol is used by ping to verify IP network reachability?
ICMPpingnetwork reachabilityprotocol identification - Question #145Data Link Protocols
How is Ethernet II different from Ethernet 802.3?
Ethernet II802.3EtherTypeframe format - Question #146Routing Fundamentals
Which of the following statements best characterize Link State Routing? (Choose 2)
link state routingLSA floodingconvergencetopology knowledge - Question #147Routing Fundamentals
Based on the network diagram (click the Exhibit Button). Router 1 installs network D in its routing table following a dynamic routing update from Router 2. Which of the following d...
routing tablenext-hopdynamic routingroute installation - Question #148Service Fundamentals
Which of the following statements best describe the purpose of UDP? (Choose two)
UDPconnectionlessunreliable transporttransport layer - Question #149Service Fundamentals
Which of the following are correct statements about MPLS labels? (Choose 3)
MPLS labelsLERlabel significancelabel distribution - Question #150IP Network Fundamentals
Which of the following statements are TRUE regarding IP-filters? (Choose 2)
IP filtersACLingress egressmatch criteria