4A0-100 Exam Questions
388 real 4A0-100 exam questions with expert-verified answers and explanations. Page 4 of 8.
- Question #151Data Link Protocols
What must occur before a LAG becomes operational?
LAGlink aggregationport configurationduplex settings - Question #152Routing Fundamentals
What is the function of a Routing Table Manager (RTM)?
RTMrouting table managerroute preferencebest path - Question #153Service Fundamentals
Which field in the TCP header is used by the receiver to indicate the number of segments it can receive?
TCPwindow sizeflow controlheader fields - Question #154Service Fundamentals
How does the Transport Layer identity which application is to receive the data?
transport layerport numbersapplication identificationdemultiplexing - Question #155Service Fundamentals
TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How...
TCPretransmissionsequence numberssegment loss - Question #156Service Fundamentals
You are configuring your Alcatel-Lucent 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT conte...
CLISR 7750control commandsroot context - Question #157Data Link Protocols
Which of the following best describes a repeater?
repeaterphysical layersignal regenerationnetwork devices - Question #158Data Link Protocols
How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?
ATMFrame Relayvirtual circuitslogical separation - Question #159IP Network Fundamentals
Which of the following is a feature of Layer 3?
Layer 3universal addressingIP addressingnetwork layer - Question #160Network Addressing
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?
subnettingCIDRhost calculation/26 mask - Question #161Service Fundamentals
What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
DHCPIP addressinglease timenetwork configuration - Question #162Routing Fundamentals
Choose two true statements that characterize Link State Routing
link state routingnetwork convergencetopology floodingOSPF - Question #163Service Fundamentals
Which statement accurately explains the purpose of the TCP protocol and what it provides?
TCPreliable transporttransport layerconnection-oriented - Question #164Service Fundamentals
Whichof the following is the best description of well known ports?
well-known portsTCPUDPport numbers - Question #165IP Network Fundamentals
Which organization first considered cross-platform networking support to be a necessity?
networking historyARPANETUS Militaryinternet origins - Question #166IP Network Fundamentals
Which of the following statements best describes ARPANET?
ARPANETpacket switchingnetworking historyinternet origins - Question #167IP Network Fundamentals
Kahn solved the problem of interconnecting different networks using different protocols by pioneering a new protocol called TCP that was capable of:
TCP historyRobert Kahnhost connectivityglobal addressing - Question #168IP Network Fundamentals
Which network was created to replace ARPANET?
NSFNETARPANETnetworking historyinternet evolution - Question #169IP Network Fundamentals
Which statement best describes how the internet evolved?
internet historyARPANETcommercial internetnetwork evolution - Question #170IP Network Fundamentals
Which organization eventually became the standards body for IP and related protocols?
IETFIP standardsinternet governancestandards bodies - Question #171Data Link Protocols
What is the basic unit of framing in SONET and the bit rate for its transmission?
SONETSTS-1bit rateframing - Question #172Data Link Protocols
What is the basic unit of framing in SDH and the bit rate for its transmission?
SDHSTM-1bit rateframing - Question #173Data Link Protocols
Which of the following are examples of Time Division Multiplexing (Choose two)?
TDMSONETE1 carriermultiplexing - Question #174Data Link Protocols
How many DS-3 frames can be transported in an OC-3 frame?
SONETOC-3DS-3multiplexing hierarchy - Question #175Data Link Protocols
Who was responsible for developing and publishing the original standard that was used for 10 Mbit/s Ethernet?
Ethernet historyDIX standard10 Mbit/s EthernetIEEE 802.3 - Question #176Data Link Protocols
Which Ethernet frame field does the receiver use to verify the integrity of the received bits?
Ethernet frameFCSerror detectionframe integrity - Question #177Data Link Protocols
How is Ethernet II different from Ethernet 802.3?
Ethernet IIIEEE 802.3EtherTypeframe format - Question #178Network Addressing
Given the Mac Address 00-20-60-ce-2b:28, which part is the Organizationally Unique Identifier (OUI)?
MAC addressOUIorganizationally unique identifieraddressing structure - Question #179Network Addressing
Which of the following type of addressing scheme delivers information from one source to all devices who are members of a specific group?
multicastanycastbroadcastaddressing types - Question #180Data Link Protocols
Which of the following is true of Ethernet half-duplex transmission?
half-duplexCSMA/CDcollisionsEthernet efficiency - Question #181Data Link Protocols
What is the meaning of carrier sense in the CSMA/CD algorithm?
CSMA/CDcarrier senseEthernetcollision detection - Question #182Data Link Protocols
What is the effective maximum rate of data transmission on a 10 Mbps full-duplex Ethernet link?
full-duplexEthernetdata ratebandwidth - Question #183Data Link Protocols
Which of the following Ethernet rates requires an optical cable to operate?
Ethernetoptical cablecopper cablephysical media - Question #184Data Link Protocols
What distance is supported using CAT-5 cabling for 10/100/1000 TX?
CAT-5cable distanceEthernetphysical media - Question #185Network Addressing
Which of the following statements is TRUE of Layer 3 addressing?
Layer 3 addressingIP addressuniquenessInternet access - Question #186IP Network Fundamentals
Which of the following is a characteristic of the IP layer?
IP layerconnectionlessunreliable servicedatagram - Question #187Routing Fundamentals
Choose two true statements that characterize Distance Vector Routing?
distance vectorrouting tableconvergencetopology knowledge - Question #188Routing Fundamentals
What metric does a link state protocol use to choose the best path to a destination network?
link statemetricbandwidthbest path - Question #189Routing Fundamentals
You need to implement an interior gateway routing protocol for your network that supports scalability, fast convergence and VLSM. Which routing protocol would best serve your needs...
OSPFVLSMIGP selectionconvergence - Question #190Routing Fundamentals
Which of the parameters in Hello messages exchanged between two OSPF neighbors must be the same to keep the adjacency alive in OSPF? (Choose four.)
OSPFHello messageadjacencyneighbor parameters - Question #191Routing Fundamentals
Which of the following are TRUE statements about the router ID in OSPF? Choose two
OSPFrouter IDsystem addressidentification - Question #192Routing Fundamentals
Which of the following are FALSE statements about the OSPF routing protocol? Choose two.
OSPFmetricVLSMlink state - Question #193Routing Fundamentals
Which of the following describes the normal sequence of events in the forming of an OSPF adjacency?
OSPFadjacency formationHello exchangedatabase exchange - Question #194Routing Fundamentals
In the diagram, R7 receives a new LSA from R3 and installs it in its link state database. 10 ms. later it receives another copy of the LSA with the same sequence number from R8. Wh...
OSPFLSAsequence numberduplicate handling - Question #195Routing Fundamentals
In the diagram, R3 receives an LSA with the sequence number 111 from R7 and then receives another copy of the LSA with a sequence number 112 from R1. What does R3 do with the LSA f...
OSPFLSAsequence numberdatabase synchronization - Question #196Routing Fundamentals
In the diagram, R3 receives an LSA with sequence number 112 from R7 and installs it in its link state database. 10 ms. Later it receives a copy of the same LSA with a sequence numb...
OSPFLSAsequence numberflooding - Question #197Routing Fundamentals
Which of the following best describes an autonomous system?
autonomous systemadministrative domainBGProuting - Question #198Routing Fundamentals
Which transport protocol and port number is used by BGP to establish and maintain a peering session with other BGP speakers?
BGPTCPport 179peering session - Question #199Service Fundamentals
Which of the following is a File command in the File System context of the Command Line Interface (CLI)?
CLIfile systemtype commandfile operations - Question #200Data Link Protocols
What must occur for a LAG to become operational?
LAGlink aggregationport configurationbonding