more about the technologies involved. By reviewing why the answers are correct or incorrect, you can determine if you need to study the objective topics more.
What's Next
The next step is to review the objective domains for the Network+ N10-008 exam and think about which topics you need to work on most. Then, you can turn to the appropriate chapter and get started. Good luck on the exam.
Chapter 1 Networking Fundamentals
THE COMPTIA NETWORK+ EXAM N10-008 TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:
1.1 Compare and contrast the Open Systems Interconnection (OSI) model layers and encapsulation concepts.OSI modelLayer 1 – PhysicalLayer 2 – Data linkLayer 3 – NetworkLayer 4 – TransportLayer 5 – SessionLayer 6 – PresentationLayer 7 – ApplicationData encapsulation and decapsulation within the OSI model contextEthernet headerInternet Protocol (IP) headerTransmission Control Protocol (TCP)/ User Datagram Protocol (UDP) headersTCP flagsPayloadMaximum transmission unit (MTU)
1.2 Explain the characteristics of network topologies and network types.MeshStar/hub-and-spokeBusRingHybridNetwork types and characteristicsPeer-to-peerClient-serverLocal 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 pointDemarcation pointSmartjackVirtual network conceptsvSwitchVirtual network interface card (vNIC)Network function virtualization (NFV)HypervisorProvider linksSatelliteDigital subscriber line (DSL)CableLeased lineMetro-optical
1.3 Summarize the types of cables and connectors and explain which is the appropriate type for a solution.CopperTwisted pairCat 5Cat 5eCat 6Cat 6aCat 7Cat 8Coaxial/RG-6TwinaxialTermination standardsTIA/EIA-568ATIA/EIA-568BFiberSingle-modeMultimodeConnector typesLocal connector (LC), straight tip (ST), subscriber connector (SC), mechanical transfer (MT), registered jack (RJ)Angled physical contact (APC)Ultra-physical contact (UPC)RJ11RJ45F-type connectorTransceivers/media convertersTransceiver typeSmall form-factor pluggable (SFP)Enhanced form-factor pluggable (SFP+)Quad small form-factor pluggable (QSFP)Enhanced quad small form-factor pluggable (QSFP+) Cable managementPatch panel/patch bayFiber distribution panelPunchdown block66110KroneBixEthernet standardsCopper10BASE-T100BASE-TX1000BASE-T10GBASE-T40GBASE-TFiber100BASE-FX100BASE-SX1000BASE-SX1000BASE-LX10GBASE-SR10GBASE-LRCoarse wavelength division multiplexing (CWDM)Dense wavelength division multiplexing (DWDM)Bidirectional wavelength division multiplexing (WDM)
1.4 Given a scenario, configure a subnet and use appropriate IP addressing schemes.Public vs. privateRFC1918Network address translation (NAT)Port address translation (PAT)IPv4 vs. IPv6Automatic Private IP Addressing (APIPA)Extended unique identifier (EUI-64)MulticastUnicastAnycastBroadcastLink localLoopbackDefault gatewayIPv4 subnettingClassless (variable-length subnet mask)ClassfulABCDEClassless Inter-Domain Routing (CIDR) notationIPv6 conceptsTunnelingDual stackShorthand notationRouter advertisementStateless address autoconfiguration (SLAAC)Virtual IP (VIP)Subinterfaces
1.5 Explain common ports and protocols, their application, and encrypted alternatives.ProtocolsPortsFile Transfer Protocol (FTP)20/21Secure Shell (SS)22Secure File Transfer Protocol (SFT)22Telnet23Simple Mail Transfer Protocol (SMTP)25Domain Name System (DNS)53Dynamic Host Configuration Protocol (DHCP)67/68Trivial File Transfer Protocol (TFTP)69Hypertext Transfer Protocol (HTTP)80Post Office Protocol v3 (POP3)110Network Time Protocol (NTP)123Internet Message Access Protocol (IMAP)143Simple Network Management Protocol (SNMP)161/162Lightweight Directory Access Protocol (LDAP)389Hypertext Transfer Protocol Secure (HTTPS) [Secure Sockets Layer (SSL)]443HTTPS [Transport Layer Security (TLS)]443Server Message Block (SMB)445Syslog514SMTP TLS587Lightweight Directory Access Protocol (over SSL) (LDAPS)636IMAP over SSL993POP3 over SSL995Structured Query Language (SQL) Server1433SQLnet1521MySQL3306Remote Desktop Protocol (RDP)3389Session Initiation Protocol (SIP)5060/5061IP protocol typesInternet Control Message Protocol (ICMP)TCPUDPGeneric Routing Encapsulation (GRE)Internet Protocol Security (IPSec)Authentication Header (AH)/Encapsulating Security Payload (ESP)Connectionless vs. connection-oriented
1.6 Explain the use and purpose of network services.DHCPScopeExclusion rangesReservationDynamic assignmentStatic assignmentLease timeScope optionsAvailable leasesDHCP relayIP helper/UDP forwardingDNSRecord typesAddress (A)Canonical name (CNAME)Mail exchange (MX)Authentication, authorization, accounting, auditing (AAAA)Start of authority (SOA)Pointer (PTR)Text (TXT)Service (SRV)Name server (NS)Global hierarchyRoot DNS serversInternal vs. externalZone transfersAuthoritative name serversTime to live (TTL)DNS cachingReverse DNS/reverse lookup/forward lookupRecursive lookup/iterative lookupNTPStratumClientsServers
1.7 Explain basic corporate and datacenter network architecture.Three-tieredCoreDistribution/aggregation layerAccess/edgeSoftware-defined networkingApplication layerControl layerInfrastructure layerManagement planeSpine and leafSoftware-defined networkTop-of-rack switchingBackbone Traffic flowsNorth-SouthEast-WestBranch office vs. on-premises datacenter vs. colocationStorage area networksConnection typesFibre Channel over Ethernet (FCoE)Fibre ChannelInternet Small Computer Systems Interface (iSCSI)
1.8 Summarize cloud concepts and connectivity options.Deployment modelsPublicPrivateHybridCommunityService modelsSoftware as a service (SaaS)Infrastructure as a service (IaaS)Platform as a service (PaaS)Desktop as a service (DaaS)Infrastructure as codeAutomation/orchestrationConnectivity optionsVirtual private network (VPN)Private-direct connection to cloud providerMultitenancyElasticityScalabilitySecurity implications
1 At which of the following layers of the Open Systems Interconnection (OSI) model do the protocols on a typical local area network (LAN) use media access control (MAC) addresses to identify other computers on the network?PhysicalData linkNetworkTransport
2 Which of the following organizations developed the Open Systems Interconnection (OSI) model?International Telecommunication Union (ITU-T)Comité Consultatif International Télégraphique et Téléphonique (CCITT)American National Standards Institute (ANSI)Institute of Electrical and Electronics Engineers (IEEE)International Organization for Standardization (ISO)
3 Which layer of the Open Systems Interconnection (OSI) model is responsible for the logical addressing of end systems and the routing of datagrams on a network?PhysicalData linkNetworkTransportSessionPresentationApplication
4 On a TCP/IP network, which layers of the Open Systems Interconnection (OSI) model contain protocols that are responsible for encapsulating the data generated by an application, creating the payload for a packet that will be transmitted over a network? (Choose all that apply.)PhysicalData linkNetworkTransportSessionPresentationApplication
5 What layer of the Open Systems Interconnection (OSI) model is responsible for translating and formatting information?PhysicalData linkNetworkTransportSessionPresentationApplication
6 Which of the following devices typically operates at the network layer of the Open Systems Interconnection (OSI) model?Proxy serverHubNetwork interface adapterRouter
7 Which layer of the Open Systems Interconnection (OSI) model provides an entrance point to the protocol stack for applications?PhysicalData linkNetworkTransportSessionPresentationApplication
8 Which layer of the Open Systems Interconnection (OSI) model is responsible for dialogue control between two communicating end systems?PhysicalData linkNetworkTransportSessionPresentationApplication
9 Some switches can perform functions associated with two layers of the Open Systems Interconnection (OSI) model. Which two of the following layers are often associated with network switching? (Choose all that apply.)PhysicalData linkNetworkTransportSessionPresentationApplication
