Extra 2 Flashcards
Which of the following answers refers to a network protocol used in the most common types of spoofing attacks?
SMTP
A security protocol designed to strengthen existing WEP implementations without requiring the replacement of legacy hardware is called:
TKIP
Which of the answers listed below refers to a network authentication protocol that provides the single sign-on functionality?
Kerberos
A network protocol that allows for secure file transfer over SSL is known as:
FTPS
Which of the following remote file-access protocols do not offer encryption? (Select 2 answers)
FTP
TFTP
A non-proprietary alternative to RDP that enables control over another computer on the network with the use of a graphical user interface is called:
VNC
Examples of protocols used for implementing secure VPN tunnels include: (Select 3 answers)
DTLS
IPsec
SSL/TLS
Which network protocol enables detection of packet loss?
ICMP
Which network protocol enables encapsulation of PPP frames within 802.3 frames?
PPPoE
Which of the answers listed below refer(s) to PPP? (Select all that apply)
- Network protocol used for connecting devices on a WAN
- Enables encapsulation of IP traffic
- Used for establishing a direct connection between two networked devices
Dynamic Host Configuration Protocol version 6 (DHCPv6) is the IPv6 equivalent of the Dynamic Host Configuration Protocol (DHCP) for IPv4.
True
Which of the IPv6 protocols listed below is used by networked nodes for locating routers?
NDP
An IPv6 protocol used by routers to advertise their presence on a network is known as:
NDP
Which IPv6 protocol is used by networked hosts to determine the link layer address of adjacent nodes?
NDP
An IPv6 protocol performing the function of IPv4’s Address Resolution Protocol (ARP) is called:
NDP
Border Gateway Protocol (BGP) falls into the category of:
Hybrid routing protocol
Which of the following answers refers to a link-state routing protocol?
OSPF
Examples of distance-vector routing protocols include: (Select 2 answers)
RIP
EIGRP
A hybrid routing protocol combines the features of distance-vector and link-state routing protocols.
True
A type of routing protocol that calculates the best path between source and destination nodes based on a map of network connectivity between nodes is called:
Link-state
Which of the answers listed below refers to a type of routing protocol that determines the best route for data packets based on the lowest number of hops?
Distance-vector
Which of the following protocols provide protection against switching loops? (Select 2 answers)
STP
RSTP
The purpose of the Carrier Sense Multiple Access (CSMA) protocol is to verify the absence of other traffic on a shared medium before transmitting to prevent collisions and loss of data.
True
The SMTP protocol is used for: (Select 2 answers)
Sending email from a client device
Sending email between mail servers
What are the characteristic features of TFTP? (Select 2 answers)
Provides no security features
A very basic form of file sharing protocol
Telnet: (Select 3 answers)
- Provides username & password authentication
- Transmits data in an unencrypted form
- Enables remote login and command execution
Which of the following answers refers to a protocol used for managing real-time sessions that include voice, video, application sharing, or instant messaging services?
SIP
What are the characteristics of SMB/CIFS? (Select 2 answers)
Provides shared access to files, directories, and devices
Used mainly by computers running Microsoft Windows operating systems
POP3 is used for:
Email retrieval
Which of the answers listed below refer to IMAP4? (Select 2 answers)
- Offers improved functionality in comparison to POP3
- Serves the same function as POP3
Which of the answers listed below refers to a protocol used for managing VoIP and VTC services?
H.323
The ATM PDU is the cell
OSI physical layer PDU is the bit
OSI data link layer PDU is the frame
OSI network layer PDU is the packet
OSI transport layer PDU is the segment
PDUs between OSI session and application layers are referred to simply as the data
A DSL connection is set up between a pair of modems on either end of a copper wire that is between the CPE and the digital subscriber line access multiplexer (DSLAM). A DSLAM is the device located at the provider’s CO that concentrates connections from multiple DSL subscribers.
The term last mile has been used quite a bit in the last few years with broadband-type connections. It basically means the same thing as local loop and defines the physical connection from the customer to the first aggregation device of the provider network.
Which of the answers listed below refer to the components that can be found at the OSI network layer? (Select 3 answers)
Router Network cabling IP address TCP/UDP protocol Switch Packet
Router
IP address
Packet
Which of the protocols listed below reside at the OSI transport layer? (Select 2 answers)
UDP SSL/TLS ICMP TCP ATM
UDP
TCP
Character encoding, data compression and encryption/decryption take place at the:
Presentation layer of the OSI model
Which of the following protocols reside at the application layer of the OSI model? (Select 3 answers)
HTTP
FTP
SMTP
Bounded media is considered to be -Copper cables -Fiber optic cables Unbounded media is: -Infrared -Radio frequency -Free-air optical (direct laser transmission)
Wifi Signal Troubleshooting
- check physical connection, wireless router connection
- Client wireless network adapter
- Windows, doors, walls, create levels of attenuation
- relocate/add wireless APs
MAC Address Troubleshooting
Common commands
-show mac-address-table - detect if a switch is learning MAC addresses
Common commands
-clear mac address-table dynamic: clears out table of dynamic address
Common commands
-sh vlan: verifies VLAN and displays ports
Common commands
-sh int switchport: summaary information for a port
It is best practice to hide a Wireless Access Point inside a metal file cabinet for asthetics.
A. TRUE
B. FALSE
FALSE
Which set of bits in a standard MAC address are assigned by the manufacturer?
A. 1st 24 bits
B. 2nd 24 bits
C. 3rd 24 bits
D. 4th 24 bits
B. 2nd 24 bits
How do we define the loss of signal as it moves through a medium?
A. Loss leader
B. Signal fatigue
C. Attenuation
D. Intermittency
C. Attenuation
A header, data, and a trailer make up what part of Layer 2 networking?
A. Data Frame
B. Letter
C. Data Packetx
D. Info Box
A. Data Frame
Which is the upper sublayer of the Data Link layer?
A. Logica Link Control
B. Media Access Control
C. Remote terminal unit
D. Master terminal unit
A. Logica Link Control
What category of tool is used to perform basic continuity functions?
A. Certificationx
B. Qualification
C. Verification
D. Quantification
C. Verification
This switch configuration replicates data from any and all ports to a secondary single port.
A. Port Release
B. Port Capture
C. Port Mirroring
D. Port Verification
C. Port Mirroring
What converts a stream of raw bits into groupings of info?
A. Segment
B. Packet
C. Byte
D. Frame
B. Packet
Which Layer 2 protocol detects the LAN’s topology?
A. Spanning Tree Protocol
B. Frame Relay
C. Token Ring
D. PPP
A. Spanning Tree Protocol
When in a passive state, a network sniffer is usually placed in what mode and listens only?
A. Promiscuous
B. Alert
C. Vibrate
D. Active
A. Promiscuous
What is the most common type of network cabling?
A. Unshielded Twisted Pair
B. Coaxial Cable
C. Fiber-Optic Cable
D. Shielded Twisted Pair
A. Unshielded Twisted Pair
Which of the following is the process of turning bits into ‘physical’ transmission?
A. Data Encoding
B. Data Recording
C. Data Biting
D. Data Signaling
D. Data Signaling
Which of the following OSI layers does the Physical layer interface with?
A. Network
B. Session
C. Data-Link
D. Transport
C. Data-Link
The Data Link layer provides data to the Physical layer in what form?
A. Raw data
B. Frames
C. Electrical signals
D. Pulse of light
Frames
Which Media Access Control service provides the ability to deliver to a single interface in a set?
A. Unicast
B. Mulitcast
C. Anycast
D. Broadcast
C. Anycast
What is the general guideline for maximum Ethernet size (segments and repeaters)?
A. 5-1-2 rule
B. 1-1-3 rule
C. 9-1-1 rule
D. 5-4-3 rule
D. 5-4-3 rule
What open source tool allows the ability to scan a large number of machines at once?
A. Wireshark
B. ARP
C. Ping
D. Nmap
.
What open source tool allows the ability to scan a large number of machines at once?
A. Wireshark
B. ARP
C. Ping
D. Nmap
Nmap
OPTICAL CARRIER LEVELS
OC-1 - 51.84 Mbps
OC-3 155.52 Mbps
OC-12 - 622.08 Mbps
OPTICAL CARRIER LEVELS
OC-48 - 2.488 Gbps
OC-192 -9.953 Gbps
OC-768 -39.813 Gbps
Connection Max Speeds T1 - 1.544 Mbps T1C - 3.152 Mbps T2 - 6.312 Mbps T3 - 44.736 Mbps T4 - 274.176 Mbps
E carrier line data rates E0 - 64 kbps E1 - 2.048 Mbps E2 -8.448 Mbps E3 -34.368 Mbps
An OC-3 line supports transmission rates of up to:
- 544 Mbps
- 736 Mbps
- 84 Mbps
- 52 Mbps ( Your answer)
Which of the following answers refers to a dedicated local network consisting of devices that provide data access?
SAN
A dedicated storage appliance that can be added to a local network is known as:
NAS
VoIP gateway is a network device that converts voice and fax calls, in real time, between an IP network and: (Select 2 answers)
PSTN ( Your answer)
POTS ( Missed)
A type of advanced firewall capable of more in-depth inspection of network traffic that enables detection of application-specific attacks is referred to as: (Select 2 answers)
NGFW ( Your answer)
Layer 7 firewall ( Missed)
Which of the following answers refer(s) to authentication protocol(s) providing the AAA functionality? (Select all that apply)
TACACS+ ( Your answer)
RADIUS ( Your answer)
What are the characteristic features of RADIUS? (Select 3 answers)
Primarily used for network access ( Your answer)
Combines authentication and authorization ( Your answer)
Encrypts only the password in the access-request packet ( Your answer)
Examples of technologies used for SAN connectivity include: FCoE InfiniBand iSCSI Fibre Channel All of the above ( Your answer)
Which of the following answers refers to a lower-cost alternative to Fibre Channel technology? ATM iSCSI ( Missed) InfiniBand ( Your answer) MPLS
Which VPN type enables direct communication links between remote hosts on a WAN? Site-to-site VPN DMVPN ( Missed) Remote-access VPN Client-to-site VPN ( Your answer)
Which of the answers listed below refer(s) to PPP? (Select all that apply)
Network protocol used for connecting devices on a WAN ( Your answer)
Enables encapsulation of IP traffic ( Your answer)
Used for establishing a direct connection between two networked devices ( Your answer)
Which of the following enables VoIP calls between PBXs? VTP PSTN ( Your answer) SIP trunk ( Missed) PPPoE
