4A0-100 Exam Questions
388 real 4A0-100 exam questions with expert-verified answers and explanations. Page 5 of 8.
- Question #201Data Link Protocols
Click the Exhibit Button below. An Ethernet Local Area Network (LAN) consists of the components shown in the diagram below: How many broadcast and collision domains are on this LAN...
broadcast domainscollision domainsEthernet LANhub vs switch - Question #202Data Link Protocols
If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will happen if the total operational links in the LAG is 2?
LAGport-thresholdlink aggregationoperational state - Question #203Data Link Protocols
(Click the Exhibit Button below) An Ethernet Local Area Network (LAN) consists of the following components: Four 24-port hubs & Two 16-port switches How many broadcast domains are...
broadcast domainshubsswitchesEthernet LAN - Question #204Data Link Protocols
As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?
CSMA/CDcollision detectionjam signalEthernet - Question #205Data Link Protocols
Which of the following best describes an Ethernet bridge?
Ethernet bridgeLayer 2 forwardingMAC addressnetwork devices - Question #206Data Link Protocols
What happens immediately after an Ethernet switch receives an Ethernet frame?
Ethernet switchMAC learningFDBframe processing - Question #207Data Link Protocols
What is thebehaviorof a typical Ethernet switch when it receives a frame with auncastdestination MAC address? (Choose two)
FDBunicast floodingMAC address lookupswitch forwarding - Question #208Data Link Protocols
Which technologies can be used with Ethernet switches to achieve redundancy? (Choose two)
LAGSTPredundancyEthernet switch - Question #209Data Link Protocols
In what type of network is a broadcast storm likely to occur?
broadcast stormSTPredundant pathsEthernet - Question #210Service Fundamentals
Multiple SAPs may be defined on the same physical port and may be used for different services.
SAPservice access pointVLAN taggingport - Question #211Service Fundamentals
SAPs may be a port, a port with a specific VLAN tag in the case of an Ethernet port, or a port with a specific Circuit ID in the case of ATM or Frame Relay.
SAPATMFrame RelayCircuit ID - Question #212Service Fundamentals
Which statement best describes an SDP?
SDPservice delivery pointtunnel bindingMPLS - Question #213Service Fundamentals
Which statement best describes a VPRN service?
VPRNLayer 3 VPNprivate routed networkVPN services - Question #214Service Fundamentals
How does a VPRN service avoid the problem overlapping IP addresses from different customers?
VPRNVRFoverlapping IP addressesVPN routing - Question #215Service Fundamentals
How does a VPRN service avoid the problem of overlapping IP addresses from different customers?
VPRNVRFoverlapping IP addressesVPN routing - Question #216Service Fundamentals
A VPWS service maintains a MAC Forwarding Database (FDB) for Ethernet SAPs.
VPWSMAC FDBLayer 2 VPNpoint-to-point - Question #217Service Fundamentals
Which of the following mediums can be used in a VPWS when defining SAPs (Select three)?
VPWSSAPATMFrame Relay - Question #218Service Fundamentals
If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would be typically suited for this customer?
VPWSLayer 2 VPNpoint-to-pointVPN service selection - Question #219Service Fundamentals
Which of the following statements is FALSE when describing a Virtual Private LAN Service?
VPLSMAC learningFDBvirtual switch - Question #220Service Fundamentals
Which compact flash on a Control/Switch processor of an Alcatel-Lucent 7750 router stores the runtime image and running configuration?
7750 routercompact flashCF3hardware components - Question #221Service Fundamentals
One of the tasks of the boot options file (BOF) is to:
boot options fileCPM Ethernet portrouter initializationsystem configuration - Question #222Service Fundamentals
Which of the following user interface sessions are accessible through Telnet and Secure Shell (SSH) on the Alcatel-Lucent 7750 SR and 7450 ESS?
CLITelnetSSHrouter management - Question #223Service Fundamentals
You are working from a particular Command Line Interface (CLI) context, and want to see the commands available from your current context. What command can you issue to view this in...
CLItree commandcommand navigationrouter management - Question #224Service Fundamentals
What is available for auto completion of commands within the CLI on the Alcatel-Lucent 7750 SR Service Router?
CLItab completioncommand linerouter management - Question #225Data Link Protocols
What problems was Spanning Tree Protocol (STP) primarily designed to solve? (Choose two):
Spanning Tree Protocolloop preventionpath redundancyLayer 2 - Question #226Network Addressing
Which of the following IP addresses would be hosts on the same subnet given the subnet mask 255.255.255.224? (Select TWO).
subnet masksubnettingCIDRIP addressing - Question #227Data Link Protocols
Using Q-in-Q Virtual Local Area Network (VLAN) stacking, how does a carrier differentiate onecustomers traffic from that of another?
Q-in-QVLAN stacking802.1adcarrier Ethernet - Question #228Data Link Protocols
What is the purpose of the Data Link Layer in the OSI model?
OSI modelData Link Layerframingencapsulation - Question #229Data Link Protocols
Which of the following is typically a characteristic of Layer 2 framing?
Layer 2 framingerror checkingFCSframe structure - Question #230Service Fundamentals
Which of the following is an authentication service that uses UDP as a transport medium?
RADIUSUDPauthenticationAAA - Question #231Service Fundamentals
When entering a command on the Alcatel-Lucent 7750 SR from the Command Line Interface (CLI),what would you use to list all the options for the command?
CLIhelp syntaxcommand optionsrouter management - Question #232Service Fundamentals
Which of the following describes the Alcatel-Lucent 7750 SR Input/Output Module (IOM)?
IOM7750 SR hardwareforwarding planeflexible fast path - Question #233Service Fundamentals
A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:
MDASFP7750 SR hardwaremedia adaptation - Question #234Service Fundamentals
Which of the following uses port 22 by default? (Select THREE).
SSHSFTPSCPport 22 - Question #235Service Fundamentals
Jane, a security administrator, needs to implement a secure wireless authentication method that uses a remote RADIUS server for authentication. Which of the following authenticatio...
LEAPRADIUSwireless authenticationWPA - Question #236Service Fundamentals
A security manager must remain aware of the security posture of each system. Which of the following supports this requirement?
baseline reportingsecurity posturesecurity managementmonitoring - Question #237Service Fundamentals
Deploying a wildcard certificate is one strategy to:
wildcard certificatecertificate managementPKITLS - Question #238Routing Fundamentals
The security administrator needs to manage traffic on a layer 3 device to support FTP from a new remote site. Which of the following would need to be implemented?
access control listsLayer 3traffic filteringFTP - Question #239IP Network Fundamentals
Which of the following is NOT an advantage pf TCP/IP layering?
TCP/IP modelprotocol layeringnetwork architectureprotocol overhead - Question #240IP Network Fundamentals
Which TCP/IP layer is responsible for providing the user's interface to the network?
TCP/IP modelapplication layerlayer responsibilitiesnetwork stack - Question #241Service Fundamentals
Which tier of Internet service providers provides transit services to other ISPs?
ISP tierstransit servicesinternet hierarchypeering - Question #242Network Addressing
Which of the following is IANA responsible for?
IANAIP address allocationglobal addressingRIR - Question #243Service Fundamentals
Which compact flash on a Control/Switch processor on a Nokia 7750 SR stores the runtime image and the running configuration?
Nokia 7750 SRcompact flashCPMruntime image - Question #244Deep Dive into Application Performance Monitoring
On the Nokia 7750 SR, which key displays all command options and their descriptions?
Nokia 7750 SRCLI help keycommand interfacedevice navigation - Question #245Service Fundamentals
With which of the following log destinations does an event log disappear when you log off a Nokia 7750 SR?
Nokia 7750 SRevent loglog destinationssession logging - Question #246Service Fundamentals
Which of the following Nokia 7750 SR components is NOT part of the data plane?
Nokia 7750 SRdata planecontrol planeCPM - Question #247Service Fundamentals
Which of the following ports can be used to access a Nokia 7750 SR that has not been configured?
Nokia 7750 SRinitial accessconsole portout-of-band management - Question #248Data Link Protocols
An Ethernet Local Area Network (LAN) consists of the components shown in the diagram. How many collision domains are on this LAN?
collision domainsEthernet LANnetwork topologyhub vs switch - Question #249Data Link Protocols
Which of the following best describes an Ethernet switch?
Ethernet switchLayer 2MAC addressframe forwarding - Question #250Data Link Protocols
Which ATM adaptation layer is usually used for connectionless data service?
ATMAAL5adaptation layerconnectionless data