Prepare N10-008 Question Answers - N10-008 Exam Dumps [Q55-Q75]

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Prepare N10-008 Question Answers - N10-008 Exam Dumps

Real CompTIA N10-008 Exam Questions [Updated 2021]


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


CompTIA Network+ Exam Certification Details:

Sample QuestionsCompTIA Network+ Sample Questions
Schedule ExamCompTIA Marketplace
Pearson VUE
Exam CodeN10-008
Exam Price$338 (USD)
Number of Questions90
Duration90 mins
Exam NameCompTIA Certified Network+
Passing Score720 / 900

 

NEW QUESTION 55
A network administrator wants to improve the security of the management console on the company's switches and ensure configuration changes made can be correlated to the administrator who conformed them Which of the following should the network administrator implement?

  • A. Port security
  • B. TACACS+
  • C. Local authentication
  • D. Access control list

Answer: B

 

NEW QUESTION 56
Within the realm of network security, Zero Trust:

  • A. prevents attackers from moving laterally through a system.
  • B. stops infected files from being downloaded via websites.
  • C. allows a server to communicate with outside networks without a firewall.
  • D. block malicious software that is too new to be found in virus definitions.

Answer: D

 

NEW QUESTION 57
A network technician is installing an analog desk phone for a new receptionist After running a new phone line, the technician now needs to cnmp on a new connector. Which of the following connectors would MOST likely be used in this case?

  • A. DB9
  • B. DB25
  • C. RJ45
  • D. RJ11

Answer: A

 

NEW QUESTION 58
A network technician is observing the behavior of an unmanaged switch when a new device is added to the network and transmits dat a. Which of the following BEST describes how the switch processes this information?

  • A. The data is flooded out of every port. including the one on which it came in.
  • B. The data is flooded out of every port, excluding the VLAN where it is located
  • C. The data is flooded out of every port but only in the VLAN where it is located.
  • D. The data is flooded out of every port, except the one on which it came in

Answer: D

 

NEW QUESTION 59
After the A record of a public website was updated, some visitors were unable to access the website. Which of the following should be adjusted to address the issue?

  • A. TTL
  • B. SOA
  • C. TXT
  • D. MX

Answer: A

 

NEW QUESTION 60
Which of the following is used to track and document various types of known vulnerabilities?

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

Answer: C

 

NEW QUESTION 61
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. CCMP-AES
  • B. TWP-RC4
  • C. WPA2
  • D. EAP-TLS

Answer: D

 

NEW QUESTION 62
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. Encryption type
  • C. Antenna type
  • D. Frequency

Answer: C

 

NEW QUESTION 63
Which of the following security devices would be BEST to use to provide mechanical access control to the MDF/IDF?

  • A. An employee badge
  • B. A door lock
  • C. A key fob
  • D. A smart card

Answer: C

 

NEW QUESTION 64
A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay. Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)

  • A. Bandwidth
  • B. Latency
  • C. Temperature
  • D. Jitter
  • E. Memory
  • F. CPU usage

Answer: E,F

 

NEW QUESTION 65
Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?

  • A. Load balancer
  • B. NIC teaming
  • C. RAID array
  • D. PDUs

Answer: B

 

NEW QUESTION 66
Which of the following TCP ports is used by the Windows OS for file sharing?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: A

 

NEW QUESTION 67
A small, family-run business uses a single SOHO router to provide Internet and WiFi to its employees At the start of a new week, employees come in and find their usual WiFi network is no longer available, and there is a new wireless network to which they cannot connect. Given that information, which of the following should have been done to avoid this situation'

  • A. The device firmware should have been kept current.
  • B. Unsecure protocols should have been disabled.
  • C. Parental controls should have been enabled
  • D. The default credentials should have been changed

Answer: A

 

NEW QUESTION 68
A network technician is reviewing the interface counters on a router interface. The technician is attempting to confirm a cable issue. Given the following information:

Which of the following metrics confirms there is a cabling issue?

  • A. Number of packets output
  • B. Multicasts
  • C. Last cleared
  • D. Giants
  • E. CRCs

Answer: E

 

NEW QUESTION 69
Which of the following is MOST likely to generate significant East-West traffic in a datacenter?

  • A. A duplication of a hosted virtual server to another physical server for redundancy
  • B. A download of navigation data to a portable device for offline access
  • C. A query from an IoT device to a cloud-hosted server for a firmware update
  • D. A backup of a large video presentation to cloud storage for archival purposes

Answer: A

 

NEW QUESTION 70
A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:
Device
LC/LC patch cable
Patch panel
Cross-connect fiber cable
Patch panel
LC/LC patch cable
Switch
The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?

  • A. TX/RX is reversed
  • B. Attenuation is occurring
  • C. An incorrect cable was used
  • D. The device failed during installation

Answer: A

 

NEW QUESTION 71
Which of the following is the LARGEST MTU for a standard Ethernet frame?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B

 

NEW QUESTION 72
During the security audit of a financial firm the Chief Executive Officer (CEO) questions why there are three employees who perform very distinct functions on the server. There is an administrator for creating users another for assigning the users lo groups and a third who is the only administrator to perform file rights assignment Which of the following mitigation techniques is being applied'

  • A. Privileged user accounts
  • B. Role separation
  • C. Container administration
  • D. Job rotation

Answer: B

 

NEW QUESTION 73
Which of the following policies is MOST commonly used for guest captive portals?

  • A. BYOD
  • B. AUP
  • C. NDA
  • D. DLP

Answer: B

 

NEW QUESTION 74
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 NGFW
  • B. A Layer 3 switch
  • C. A WLAN controller
  • D. A proxy server

Answer: B

 

NEW QUESTION 75
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