N10-008 Practice Exam and Study Guides - Verified By Fast2test Updated 135 Questions [Q18-Q39]

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N10-008 Practice Exam and Study Guides - Verified By Fast2test Updated 135 Questions

2022 Updated Verified Pass N10-008 Study Guides & Best Courses


CompTIA N10-008 Exam Syllabus Topics:

TopicDetails

Networking Fundamentals - 24%

Compare and contrast the Open Systems Interconnection (OSI) model layers and encapsulation concepts.- OSI model
  • Layer 1 – Physical
  • Layer 2 – Data link
  • Layer 3 – Network
  • Layer 4 – Transport
  • Layer 5 – Session
  • Layer 6 – Presentation
  • Layer 7 – Application

- Data encapsulation and decapsulation within the OSI model context

  • Ethernet header
  • Internet Protocol (IP) header
  • Transmission Control Protocol (TCP)/User Datagram Protocol (UDP) headers
  • TCP flags
  • Payload
  • Maximum transmission unit (MTU)
Explain the characteristics of network topologies and network types.- Mesh
- Star/hub-and-spoke
- Bus
- Ring
- Hybrid
- Network types and characteristics
  • Peer-to-peer
  • Client-server
  • Local area network (LAN)
  • Metropolitan area network (MAN)
  • Wide area network (WAN)
  • Wireless local area network (WLAN)
  • Personal area network (PAN)
  • Campus area network (CAN)
  • Storage area network (SAN)
  • Software-defined wide area network (SDWAN)
  • Multiprotocol label switching (MPLS)
  • Multipoint generic routing encapsulation (mGRE)

- Service-related entry point

  • Demarcation point
  • Smartjack

- Virtual network concepts

  • vSwitch
  • Virtual network interface card (vNIC)
  • Network function virtualization (NFV)
  • Hypervisor

- Provider links

  • Satellite
  • Digital subscriber line (DSL)
  • Cable
  • Leased line
  • Metro-optical
Summarize the types of cables and connectors and explain which is the appropriate type for a solution.- Copper
  • Twisted pair
    1. Cat 5
    2. Cat 5e
    3. Cat 6
    4. Cat 6a
    5. Cat 7
    6. Cat 8
  • Coaxial/RG-6
  • Twinaxial
  • Termination standards
    1. TIA/EIA-568A
    2. TIA/EIA-568B

- Fiber

  • Single-mode
  • Multimode

- Connector types

  • Local connector (LC), straight tip (ST), subscriber connector (SC), mechanical transfer (MT), registered jack (RJ)
    1. Angled physical contact (APC)
    2. Ultra-physical contact (UPC)
  • RJ11
  • RJ45
  • F-type connector
  • Transceivers/media converters
  • Transceiver type
    1. Small form-factor pluggable (SFP)
    2. Enhanced form-factor pluggable (SFP+)
    3. Quad small form-factor pluggable (QSFP)
    4. Enhanced quad small form-factor pluggable (QSFP+)

- Cable management

  • Patch panel/patch bay
  • Fiber distribution panel
  • Punchdown block
    1. 66
    2. 110
    3. Krone
    4. Bix

- Ethernet standards

  • Copper
    1. 10BASE-T
    2. 100BASE-TX
    3. 1000BASE-T
    4. 10GBASE-T
    5. 40GBASE-T
  • Fiber
    1. 100BASE-FX
    2 .100BASE-SX
    3. 1000BASE-SX
    4. 1000BASE-LX
    5. 10GBASE-SR
    6. 10GBASE-LR
    7. Coarse wavelength division multiplexing (CWDM)
    8. Dense wavelength division multiplexing (DWDM)
    9. Bidirectional wavelength division multiplexing (WDM)
Given a scenario, configure a subnet and use appropriate IP addressing schemes.- Public vs. private
  • RFC1918
  • Network address translation (NAT)
  • Port address translation (PAT)

- IPv4 vs. IPv6

  • Automatic Private IP Addressing (APIPA)
  • Extended unique identifier (EUI-64)
  • Multicast
  • Unicast
  • Anycast
  • Broadcast
  • Link local
  • Loopback
  • Default gateway

- IPv4 subnetting

  • Classless (variable-length subnet mask)
  • Classful
    1. A
    2. B
    3. C
    4. D
    5. E
  • Classless Inter-Domain Routing (CIDR) notation

- IPv6 concepts

  • Tunneling
  • Dual stack
  • Shorthand notation
  • Router advertisement
  • Stateless address autoconfiguration (SLAAC)

- Virtual IP (VIP)
- Subinterfaces

Explain common ports and protocols, their application, and encrypted alternatives.- Protocol sand Ports
  • File Transfer Protocol (FTP) 20/21
  • Secure Shell (SSH) 22
  • Secure File Transfer Protocol (SFTP) 22
  • Telnet 23
  • Simple Mail Transfer Protocol (SMTP) 25
  • Domain Name System (DNS) 53
  • Dynamic Host Configuration Protocol (DHCP) 67/68
  • Trivial File Transfer Protocol (TFTP) 69
  • Hypertext Transfer Protocol (HTTP) 80
  • Post Office Protocol v3 (POP3) 110
  • Network Time Protocol (NTP) 123
  • Internet Message Access Protocol (IMAP) 143
  • Simple Network Management Protocol (SNMP) 161/162
  • Lightweight Directory Access Protocol (LDAP) 389
  • Hypertext Transfer Protocol Secure (HTTPS) [Secure Sockets Layer (SSL)] 443
  • HTTPS [Transport Layer Security (TLS)] 443
  • Server Message Block (SMB) 445
  • Syslog 514
  • SMTP TLS 587
  • Lightweight Directory Access Protocol (over SSL) (LDAPS) 636
  • IMAP over SSL 993
  • POP3 over SSL 995
  • Structured Query Language (SQL) Server 1433
  • SQLnet 1521
  • MySQL 3306
  • Remote Desktop Protocol (RDP) 3389
  • Session Initiation Protocol (SIP) 5060/5061
  • IP protocol types
    1. Internet Control Message Protocol (ICMP)
    2. TCP
    3. UDP
    4. Generic Routing Encapsulation (GRE)
    5. Internet Protocol Security (IPSec)
    - Authentication Header (AH)/Encapsulating Security Payload (ESP)

- Connectionless vs. connection-oriented

Explain the use and purpose of network services.- DHCP
  • Scope
  • Exclusion ranges
  • Reservation
  • Dynamic assignment
  • Static assignment
  • Lease time
  • Scope options
  • Available leases
  • DHCP relay
  • IP helper/UDP forwarding

- DNS

  • Record types
    1. Address (A vs. AAAA)
    2. Canonical name (CNAME)
    3. Mail exchange (MX)
    4. Start of authority (SOA)
    5. Pointer (PTR)
    6. Text (TXT)
    7. Service (SRV)
    8. Name server (NS)
  • Global hierarchy
    1. Root DNS servers
  • Internal vs. external
  • Zone transfers
  • Authoritative name servers
  • Time to live (TTL)
  • DNS caching
  • Reverse DNS/reverse lookup/forward lookup
  • Recursive lookup/iterative lookup

- NTP

  • Stratum
  • Clients
  • Servers
Explain basic corporate and datacenter network architecture.- Three-tiered
  • Core
  • Distribution/aggregation layer
  • Access/edge

- Software-defined networking

  • Application layer
  • Control layer
  • Infrastructure layer
  • Management plane

- Spine and leaf

  • Software-defined network
  • Top-of-rack switching
  • Backbone

- Traffic flows

  • North-South
  • East-West

- Branch office vs. on-premises datacenter vs. colocation
- Storage area networks

  • Connection types
    1. Fibre Channel over Ethernet (FCoE)
    2. Fibre Channel
    3. Internet Small Computer Systems Interface (iSCSI)
Summarize cloud concepts and connectivity options.- Deployment models
  • Public
  • Private
  • Hybrid
  • Community

- Service models

  • Software as a service (SaaS)
  • Infrastructure as a service (IaaS)
  • Platform as a service (PaaS)
  • Desktop as a service (DaaS)

- Infrastructure as code

  • Automation/orchestration

- Connectivity options

  • Virtual private network (VPN)
  • Private-direct connection to cloud provider

- Multitenancy
- Elasticity
- Scalability
- Security implications

Network Implementations - 19%

Compare and contrast various devices, their features, and their appropriate placement on the network.- Networking devices
  • Layer 2 switch
  • Layer 3 capable switch
  • Router
  • Hub
  • Access point
  • Bridge
  • Wireless LAN controller
  • Load balancer
  • Proxy server
  • Cable modem
  • DSL modem
  • Repeater
  • Voice gateway
  • Media converter
  • Intrusion prevention system (IPS)/intrusion detection system (IDS) device
  • Firewall
  • VPN headend

- Networked devices

  • Voice over Internet Protocol (VoIP) phone
  • Printer
  • Physical access control devices
  • Cameras
  • Heating, ventilation, and air conditioning (HVAC) sensors
  • Internet of Things (IoT)
    1. Refrigerator
    2. Smart speakers
    3. Smart thermostats
    4. Smart doorbells
  • Industrial control systems/supervisory control and data acquisition (SCADA)
Compare and contrast routing technologies and bandwidth management concepts.- Routing
  • Dynamic routing
    1. Protocols [Routing Internet Protocol (RIP), Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), Border Gateway Protocol (BGP)]
    2. Link state vs. distance vector vs. hybrid
  • Static routing
  • Default route
  • Administrative distance
  • Exterior vs. interior
  • Time to live

- Bandwidth management

  • Traffic shaping
  • Quality of service (QoS)
Given a scenario, configure and deploy common Ethernet switching features.- Data virtual local area network (VLAN)
- Voice VLAN
- Port configurations
  • Port tagging/802.1Q
  • Port aggregation
    1. Link Aggregation Control Protocol (LACP)
  • Duplex
  • Speed
  • Flow control
  • Port mirroring
  • Port security
  • Jumbo frames
  • Auto-medium-dependent interface crossover (MDI-X)

- Media access control (MAC) address tables
- Power over Ethernet (PoE)/Power over Ethernet plus (PoE+)
- Spanning Tree Protocol
- Carrier-sense multiple access with collision detection (CSMA/CD)
- Address Resolution Protocol (ARP)
- Neighbor Discovery Protocol

Given a scenario, install and configure the appropriate wireless standards and technologies.- 802.11 standards
  • a
  • b
  • g
  • n (WiFi 4)
  • ac (WiFi 5)
  • ax (WiFi 6)

- Frequencies and range

  • 2.4GHz
  • 5GHz

- Channels

  • Regulatory impacts

- Channel bonding
- Service set identifier (SSID)

  • Basic service set
  • Extended service set
  • Independent basic service set (Ad-hoc)
  • Roaming

- Antenna types

  • Omni
  • Directional

- Encryption standards

  • WiFi Protected Access (WPA)/WPA2 Personal [Advanced Encryption Standard (AES)/Temporal Key Integrity Protocol (TKIP)]
  • WPA/WPA2 Enterprise (AES/TKIP)

- Cellular technologies

  • Code-division multiple access (CDMA)
  • Global System for Mobile Communications (GSM)
  • Long-Term Evolution (LTE)
  • 3G, 4G, 5G

- Multiple input, multiple output (MIMO) and multi-user MIMO (MU-MIMO)

Network Operations - 16%

Given a scenario, use the appropriate statistics and sensors to ensure network availability.- Performance metrics/sensors
  • Device/chassis
    1. Temperature
    2. Central processing unit (CPU) usage
    3. Memory
  • Network metrics
    1. Bandwidth
    2. Latency
    3. Jitter

- SNMP

  • Traps
  • Object identifiers (OIDs)
  • Management information bases (MIBs)

- Network device logs

  • Log reviews
    1. Traffic logs
    2. Audit logs
    3. Syslog
  • Logging levels/severity levels

- Interface statistics/status

  • Link state (up/down)
  • Speed/duplex
  • Send/receive traffic
  • Cyclic redundancy checks (CRCs)
  • Protocol packet and byte counts

- Interface errors or alerts

  • CRC errors
  • Giants
  • Runts
  • Encapsulation errors

- Environmental factors and sensors

  • Temperature
  • Humidity
  • Electrical
  • Flooding

- Baselines
- NetFlow data
- Uptime/downtime

Explain the purpose of organizational documents and policies.- Plans and procedures
  • Change management
  • Incident response plan
  • Disaster recovery plan
  • Business continuity plan
  • System life cycle
  • Standard operating procedures

- Hardening and security policies

  • Password policy
  • Acceptable use policy
  • Bring your own device (BYOD) policy
  • Remote access policy
  • Onboarding and offboarding policy
  • Security policy
  • Data loss prevention

- Common documentation

  • Physical network diagram
    1. Floor plan
    2. Rack diagram
    3. Intermediate distribution frame (IDF)/main distribution frame (MDF) documentation
  • Logical network diagram
  • Wiring diagram
  • Site survey report
  • Audit and assessment report
  • Baseline configurations

- Common agreements

  • Non-disclosure agreement (NDA)
  • Service-level agreement (SLA)
  • Memorandum of understanding (MOU)
Explain high availability and disaster recovery concepts and summarize which is the best solution.- Load balancing
- Multipathing
- Network interface card (NIC) teaming
- Redundant hardware/clusters
  • Switches
  • Routers
  • Firewalls

- Facilities and infrastructure support

  • Uninterruptible power supply (UPS)
  • Power distribution units (PDUs)
  • Generator
  • HVAC
  • Fire suppression

- Redundancy and high availability (HA) concepts

  • Cold site
  • Warm site
  • Hot site
  • Cloud site
  • Active-active vs. active-passive
    1. Multiple Internet service providers (ISPs)/diverse paths
    2. Virtual Router Redundancy Protocol (VRRP)/First Hop Redundancy Protocol (FHRP)
  • Mean time to repair (MTTR)
  • Mean time between failure (MTBF)
  • Recovery time objective (RTO)
  • Recovery point objective (RPO)

- Network device backup/restore

  • State
  • Configuration

Network Security - 19%

Explain common security concepts.- Confidentiality, integrity, availability (CIA)
- Threats
  • Internal
  • External

- Vulnerabilities

  • Common vulnerabilities and exposures (CVE)
  • Zero-day

- Exploits
- Least privilege
- Role-based access
- Zero Trust
- Defense in depth

  • Network segmentation enforcement
  • Screened subnet [previously known as demilitarized zone (DMZ)]
  • Separation of duties
  • Network access control
  • Honeypot

- Authentication methods

  • Multifactor
  • Terminal Access Controller Access-Control System Plus (TACACS+)
  • Single sign-on (SSO)
  • Remote Authentication Dial-in User Service (RADIUS)
  • LDAP
  • Kerberos
  • Local authentication
  • 802.1X
  • Extensible Authentication Protocol (EAP)

- Risk Management

  • Security risk assessments
    1. Threat assessment
    2. Vulnerability assessment
    3. Penetration testing
    4. Posture assessment
  • Business risk assessments
    1. Process assessment
    2. Vendor assessment

- Security information and event management (SIEM)

Compare and contrast common types of attacks.- Technology-based
  • Denial-of-service (DoS)/distributed denial-of-service (DDoS)
    1. Botnet/command and control
  • On-path attack (previously known as man-in-the-middle attack)
  • DNS poisoning
  • VLAN hopping
  • ARP spoofing
  • Rogue DHCP
  • Rogue access point (AP)
  • Evil twin
  • Ransomware
  • Password attacks
    1. Brute-force
    2. Dictionary
  • MAC spoofing
  • IP spoofing
  • Deauthentication
  • Malware

- Human and environmental

  • Social engineering
    1. Phishing
    2. Tailgating
    3. Piggybacking
    4. Shoulder surfing
Given a scenario, apply network hardening techniques.- Best practices
  • Secure SNMP
  • Router Advertisement (RA) Guard
  • Port security
  • Dynamic ARP inspection
  • Control plane policing
  • Private VLANs
  • Disable unneeded switchports
  • Disable unneeded network services
  • Change default passwords
  • Password complexity/length
  • Enable DHCP snooping
  • Change default VLAN
  • Patch and firmware management
  • Access control list
  • Role-based access
  • Firewall rules
    1. Explicit deny
    2. Implicit deny

- Wireless security

  • MAC filtering
  • Antenna placement
  • Power levels
  • Wireless client isolation
  • Guest network isolation
  • Preshared keys (PSKs)
  • EAP
  • Geofencing
  • Captive portal

- IoT access considerations

Compare and contrast remote access methods and security implications.- Site-to-site VPN
- Client-to-site VPN
  • Clientless VPN
  • Split tunnel vs. full tunnel

- Remote desktop connection
- Remote desktop gateway
- SSH
- Virtual network computing (VNC)
- Virtual desktop
- Authentication and authorization considerations
- In-band vs. out-of-band management

Explain the importance of physical security.- Detection methods
  • Camera
  • Motion detection
  • Asset tags
  • Tamper detection

- Prevention methods

  • Employee training
  • Access control hardware
    1. Badge readers
    2. Biometrics
  • Locking racks
  • Locking cabinets
  • Access control vestibule (previously known as a mantrap)
  • Smart lockers

- Asset disposal

Network Troubleshooting - 22%

Explain the network troubleshooting methodology.- Identify the problem
  • Gather information
  • Question users
  • Identify symptoms
  • Determine if anything has changed
  • Duplicate the problem, if possible
  • Approach multiple problems individually

- Establish a theory of probable cause

  • Question the obvious
  • Consider multiple approaches
    1. Top-to-bottom/bottom-to-top OSI model
    2. Divide and conquer

- Test the theory to determine the cause

  • If the theory is confirmed, determine the next steps to resolve the problem
  • If the theory is not confirmed, reestablish a new theory or escalate

- Establish a plan of action to resolve the problem and identify potential effects
- Implement the solution or escalate as necessary
- Verify full system functionality and, if applicable, implement preventive measures
- Document findings, actions, outcomes, and lessons learned

Given a scenario, troubleshoot common cable connectivity issues and select the appropriate tools.- Specifications and limitations
  • Throughput
  • Speed
  • Distance

- Cable considerations

  • Shielded and unshielded
  • Plenum and riser-rated

- Cable application

  • Rollover cable/console cable
  • Crossover cable
  • Power over Ethernet

- Common issues

  • Attenuation
  • Interference
  • Decibel (dB) loss
  • Incorrect pinout
  • Bad ports
  • Open/short
  • Light-emitting diode (LED) status indicators
  • Incorrect transceivers
  • Duplexing issues
  • Transmit and receive (TX/RX) reversed
  • Dirty optical cables

- Common tools

  • Cable crimper
  • Punchdown tool
  • Tone generator
  • Loopback adapter
  • Optical time-domain reflectometer (OTDR)
  • Multimeter
  • Cable tester
  • Wire map
  • Tap
  • Fusion splicers
  • Spectrum analyzers
  • Snips/cutters
  • Cable stripper
  • Fiber light meter
Given a scenario, use the appropriate network software tools and commands.- Software tools
  • WiFi analyzer
  • Protocol analyzer/packet capture
  • Bandwidth speed tester
  • Port scanner
  • iperf
  • NetFlow analyzers
  • Trivial File Transfer Protocol (TFTP) server
  • Terminal emulator
  • IP scanner

- Command line tool

  • ping
  • ipconfig/ifconfig/ip
  • nslookup/dig
  • traceroute/tracert
  • arp
  • netstat
  • hostname
  • route
  • telnet
  • tcpdump
  • nmap

- Basic network platform commands

  • show interface
  • show config
  • show route
Given a scenario, troubleshoot common wireless connectivity issues.- Specifications and limitations
  • Throughput
  • Speed
  • Distance
  • Received signal strength indication (RSSI) signal strength
  • Effective isotropic radiated power (EIRP)/power settings

- Considerations

  • Antennas
    1. Placement
    2. Type
    3. Polarization
  • Channel utilization
  • AP association time
  • Site survey

- Common issues

  • Interference
    1. Channel overlap
  • Antenna cable attenuation/signal loss
  • RF attenuation/signal loss
  • Wrong SSID
  • Incorrect passphrase
  • Encryption protocol mismatch
  • Insufficient wireless coverage
  • Captive portal issues
  • Client disassociation issues
Given a scenario, troubleshoot general networking issues.- Considerations
  • Device configuration review
  • Routing tables
  • Interface status
  • VLAN assignment
  • Network performance baselines

- Common issues

  • Collisions
  • Broadcast storm
  • Duplicate MAC address
  • Duplicate IP address
  • Multicast flooding
  • Asymmetrical routing
  • Switching loops
  • Routing loops
  • Rogue DHCP server
  • DHCP scope exhaustion
  • IP setting issues
  • Missing route
  • Low optical link budget
  • Certificate issues
  • Hardware failure
  • Host-based/network-based firewall settings
  • Blocked services, ports, or addresses
  • Incorrect VLAN
  • DNS issues
  • NTP issues
  • BYOD challenges
  • Licensed feature issues
  • Network performance issues

NEW QUESTION 18
Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time. Which of the following allows the enforcement of this policy?

  • A. Access control vestibules
  • B. Cameras
  • C. Smart lockers
  • D. Motion detection

Answer: A

 

NEW QUESTION 19
Which of the following DNS records works as an alias to another record?

  • A. CNAME
  • B. MX
  • C. SOA
  • D. AAAA

Answer: A

 

NEW QUESTION 20
Which of the following is used to track and document various types of known vulnerabilities?

  • A. Zero-day
  • B. SIEM
  • C. Penetration testing
  • D. Least privilege
  • E. CVE

Answer: E

 

NEW QUESTION 21
An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations. Which of the following technologies BEST meets the organization's requirements?

  • A. Public cloud
  • B. Geofencing
  • C. Infrastructure as a service
  • D. Content delivery network
  • E. Load balancing

Answer: D

 

NEW QUESTION 22
A network administrator is implementing OSPF on all of a company's network devices. Which of the following will MOST likely replace all the company's hubs?

  • A. A Layer 3 switch
  • B. A proxy server
  • C. A WLAN controller
  • D. A NGFW

Answer: A

 

NEW QUESTION 23
A website administrator is concerned the company's static website could be defaced by hacktivists or used as a pivot point to attack internal systems. Which of the following should a network security administrator recommend to assist with detecting these activities?

  • A. Update the web-server software.
  • B. Use SSL encryption.
  • C. Change the default credentials.
  • D. Implement file integrity monitoring.

Answer: B

 

NEW QUESTION 24
There are two managed legacy switches running that cannot be replaced or upgraded. These switches do not support cryptographic functions, but they are password protected. Which of the following should a network administrator configure to BEST prevent unauthorized access?

  • A. Disable access to remote management
  • B. Configure a stronger password for access
  • C. Use an out-of-band access method.
  • D. Enable a management access list
  • E. Disable access to unnecessary services.

Answer: D

 

NEW QUESTION 25
A network technician is investigating an IP phone that does not register in the VoIP system Although it received an IP address, it did not receive the necessary DHCP options The information that is needed for the registration is distributes by the OHCP scope All other IP phones are working properly. Which of the following does the technician need to verify?

  • A. DHCP exhaustion
  • B. Latency
  • C. VLAN mismatch
  • D. Transceiver mismatch

Answer: C

 

NEW QUESTION 26
Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues. The following table summarizes the findings after a site survey of the area in question:

Which of the following should a wireless technician do NEXT to troubleshoot this issue?

  • A. Decrease power in AP 3 and AP 4
  • B. Reconfigure the channels to reduce overlap
  • C. Update the SSIDs on all the APs
  • D. Replace the omni antennas with directional antennas

Answer: B

 

NEW QUESTION 27
A user recently made changes to a PC that caused it to be unable to access websites by both FQDN and IP Local resources, such as the file server remain accessible. Which of the following settings did the user MOST likely misconfigure?

  • A. Static IP
  • B. Default gateway
  • C. DNS entries
  • D. Local host file

Answer: B

 

NEW QUESTION 28
A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage. After project validation, some users still report poor connectivity when their devices maintain an association to a distanced AP. Which of the following should the network administrator check FIRST?

  • A. Validate the roaming settings on the APs and WLAN clients
  • B. Deactivate the 2.4GHz band on the APS
  • C. Verify that the AP antenna type is correct for the new layout
  • D. Check to see if MU-MIMO was properly activated on the APs

Answer: A

 

NEW QUESTION 29
Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?

  • A. VPN headend
  • B. Proxy server
  • C. Layer 3 switch
  • D. Next-generation firewall
  • E. Intrusion prevention

Answer: D

 

NEW QUESTION 30
A network administrator is configuring a load balancer for two systems. Which of the following must the administrator configure to ensure connectivity during a failover?

  • A. IPv6 tunneling
  • B. Broadcast IP
  • C. VIP
  • D. NAT
  • E. APIPA

Answer: C

 

NEW QUESTION 31
Which of the following technologies allows traffic to be sent through two different ISPs to increase performance?

  • A. Fault tolerance
  • B. Quality of service
  • C. Port aggregation
  • D. Load balancing

Answer: A

 

NEW QUESTION 32
A network technician has multimode fiber optic cable available in an existing IDF. Which of the following Ethernet standards should the technician use to connect the network switch to the existing fiber?

  • A. 1000BaseLX
  • B. 1000BaseSX
  • C. 1000BaseT
  • D. 10GBaseT

Answer: D

 

NEW QUESTION 33
A user reports a weak signal when walking 20ft (61 m) away from the WAP in one direction, but a strong signal when walking 20ft in the opposite direction The technician has reviewed the configuration and confirmed the channel type is correct There is no jitter or latency on the connection Which of the following would be the MOST likely cause of the issue?

  • A. Power levels
  • B. Frequency
  • C. Encryption type
  • D. Antenna type

Answer: D

 

NEW QUESTION 34
A company wants to implement a large number of WAPs throughout its building and allow users to be able to move around the building without dropping their connections Which of the following pieces of equipment would be able to handle this requirement?

  • A. A wireless controller
  • B. A VPN concentrator
  • C. A load balancer
  • D. A RADIUS server

Answer: B

 

NEW QUESTION 35
A network engineer is designing a new secure wireless network. The engineer has been given the following requirements:
1 Must not use plaintext passwords
2 Must be certificate based
3. Must be vendor neutral
Which of the following methods should the engineer select?

  • A. WPA2
  • B. EAP-TLS
  • C. TWP-RC4
  • D. CCMP-AES

Answer: B

 

NEW QUESTION 36
Which of the following protocol types describes secure communication on port 443?

  • A. TCP
  • B. ICMP
  • C. IP
  • D. UDP

Answer: A

 

NEW QUESTION 37
A network field technician is installing and configuring a secure wireless network. The technician performs a site survey. Which of the following documents would MOST likely be created as a result of the site survey?

  • A. Physical diagram
  • B. Heat map
  • C. Device map
  • D. Asset list

Answer: B

 

NEW QUESTION 38
A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?

  • A. IP route table
  • B. MAC table
  • C. VLAN tag
  • D. QoS tag

Answer: B

 

NEW QUESTION 39
......

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