Networking I Chapters 9-12 Review – Flashcards
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True
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Most UNIX and Linux desktop operating systems provide a GUI application for easily viewing and filtering the information in system logs
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Determine if Escalation is Necessary
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The first step of a response policy
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MPLS (Multi-Protocol Label Switching)
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The protocol that enables multiple types of Layer 3 protocols to travel over any one of several connection-oriented Layer 2 protocols
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Stack Master
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The VLAN database is stored on this switch with VTP
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MCU (Multipoint Control Unit)
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This is known as a computer that provides support for multiple H.323 terminals and manages communication between them
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Media Gateway Controller
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This intermediate device is used in order for gateways to exchange and translate signaling and control information with each other so that voice and video packets are properly routed through a network
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Ring Topology
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A type of topology where each site is connected to two other sites, providing redundancy
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DMZ (Demilitarized Zone)
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In order to provide access to a historian by personnel working on the corporate network that are not authorized to work on the ICS network, this is where they should be placed
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True
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The first step in asset management is to inventory all the components on the network
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Routing Prefix
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This is what the first 64 bits of an IPv6 address are known as
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Bridged Mode
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Network type that allows a vNIC to access a network directly using the host machine's NIC
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Runts
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Packets that are smaller than a medium's minimum packet size
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161
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SNMP agents receive requests from an NMS on this port number
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Split Horizon
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Layer 3 technology that is employed by distance-vector routing protocols in which a router knows which of its interfaces a routing update and will not retransmit, or advertise, that same update on the same interface
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True
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In a PON setup, the system is considered passive because no repeaters or other devices intervene between the carrier and the customer
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Attempt to Access Files to Determine if They are Compromised
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A step that should NOT be taken as part of a response policy
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Pull the Power Cable
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This step should be taken if a destructive program is running that might be destroying evidence
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1/4 mile
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The best 802.11n signal can travel this far
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True
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The Spanning Tree Protocol stipulates that on any bridge, only one root port, which is the bridge's port that is closest to the root bridge, can forward frames toward the root bridge
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5060
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A server running the SIP protocol listens on this TCP/UDP port for unsecured communications
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Ambient Data
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Hidden files such as deleted files and file fragments
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Jabber
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A device that handles electrical signals improperly, usually resulting from a bad NIC
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3.4 - 6.7 GHz
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Frequency range of the C-band that is used by satellites
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Carrier Ethernet Transport
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In metro settings, end-to-end, carrier-grade Ethernet networks are established via this protocol
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BID (Bridge ID)
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STP selects the root bridge based on this
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True
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Every security policy should include a response policy, which specifically defines the characteristics of an event that qualifies as a formal incident and the steps that should be followed as a result
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RJ-48
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Copper cabling used to carry T-1 traffic uses this connector
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H.323 Gateway
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This element of H.323 is a device that provides translation between network devices running the H.323 signaling protocols and devices running other types of signaling protocols
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PCI DSS
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Security standard that protects credit card data and transactions, requiring network segmentation as part of security controls
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False
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Only Class B and Class C networks can be subnetted
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True
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The use of virtualization allows for isolation of each guest system such that problems on one system do not affect another system
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True
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Cipher locks are not designed for physical security, such as on an outside door
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Data Link Connection Identifier
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When using frame relay, this is the name of the identifier that routers use to determine which circuit to send frames to
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False
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TCP is preferred over UDP for real time services
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SS7
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On circuit switched portions of a PSTN, this set of standards established by the ITU are used to handle call signaling
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In-Band
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Telnet and SSH are known as this type of management system
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True
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The SNMP version 3 protocol introduces authentication, validation, and encryption for messages exchanged between devices and the network management console
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False
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T-1 cables cannot utilize straight through cables using the same wiring scheme as LAN patch cables
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CSU/DSU
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The DTE or endpoint device for a leased line is known as this
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OC-48
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This OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises
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You pay only for the bandwidth you've used
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An advantage of leasing a frame relay circuit over leasing a dedicated circuit
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Hot Site
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A type of recovery site where computers, devices, and connectivity necessary to build a network exist, and all are appropriately configured, updated, and connected to match your network's current state
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Increase Performance
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This is not a valid reason for using virtualization
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44.736 MB/s
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Maximum throughput of a DS3 connection
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Public Relations Specialist
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This team member role, if necessary, learns about the situation and the response and then acts as official spokesperson for the organization to the public or other interested parties
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79%
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Percentage of internet traffic that will be devoted to video traffic by 2018
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Router
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This device is used to allow communication between VLANs for exchange of data
