Notes in N10-008 Network+

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Status	Last Update	Fields
Published	04/16/2024	What is 'AMI'?
Published	04/16/2024	What is hexadecimal numbering?
Published	04/16/2024	What is '16' in hexadecimal?
Published	04/16/2024	Is UDP connection oriented or connectionless?
Published	04/16/2024	If you were using VoIP, would TCP or UDP be more suitable?
Published	04/16/2024	At what layer of the OSI model would you find a wireless bridge?
Published	04/16/2024	At which layer(s) of the OSI model would you find an NIC?
Published	04/16/2024	Which layer of the OSI model converts data from the application layer into a format that can be sent over the network?
Published	04/16/2024	'Buffering' and 'Windowing' are common examples of what?
Published	04/16/2024	Which layer is responsible for establishing, maintaining and breaking connections between two devices?
Published	04/16/2024	What is meant by 'flow control'?
Published	04/16/2024	Does UDP use a three-way handshake?
Published	04/16/2024	What is a byte?
Published	04/16/2024	What is the difference between half-duplex and full-duplex?
Published	04/16/2024	An ethernet cable is a network device found at which layer of the OSI model?
Published	04/16/2024	What is a network switch?
Published	04/16/2024	What is Binary?
Published	04/16/2024	What is '3' in binary?
Published	04/16/2024	What is a 'bit' of data?
Published	04/16/2024	FTP (File Transfer Protocol) is a protocol found at which layer of the OSI model?
Published	04/16/2024	SMTP (Simple Mail Transfer Protocol) is a protocol found at which layer of the OSI model?
Published	04/16/2024	What are the three steps of the TCP three-way handshake?
Published	04/16/2024	What is meant by 'Payload Data' (AKA User Data)?
Published	04/16/2024	Which layer 2 device is designed to forward frames between network segments?
Published	04/16/2024	What is the difference between a layer 2 and a layer 3 switch?
Published	04/16/2024	Which common hardware device is used to allow wireless devices to connect to a wired network?
Published	04/16/2024	Which network device allows for the centralised management of WAPs?
Published	04/16/2024	What device is used to boost the signal strength of a circuit?
Published	04/16/2024	UTP and STP cables use what transmission medium?
Published	04/16/2024	What is the main difference between UTP and STP?
Published	04/16/2024	What are the benefits of using STP cables over UTP?
Published	04/16/2024	What kind of interference is reduced by STP cables?
Published	04/16/2024	Out of DSL and cable, which of these types of internet access is most sensitive to distance between the client and the telephone exchange?
Published	04/16/2024	Of all the many variations of DSL, which is the most common?
Published	04/16/2024	What is a wired alternative to copper transmission media in internet connections?
Published	04/16/2024	Why is fiber cabling still less popular than copper cabling?
Published	04/16/2024	Does DSL offer dedicated or shared bandwidth?
Published	04/16/2024	Which two lines use copper wires to transmit data between home networks and the rest of the internet?
Published	04/16/2024	How many bits are in an IPv4 address?
Published	04/16/2024	In IP addressing, what is an octet?
Published	04/16/2024	An IP address can be grouped into one of five categories, called "classes", labelled A through E. Of these classes, which can be used to assign IP add…
Published	04/16/2024	The loopback address is an IPv4 address that is used for troubleshooting. What is the value of this address?
Published	04/16/2024	What is a default gateway?
Published	04/16/2024	What is a subnet mask?
Published	04/16/2024	What is the default subnet mask for an IPv4 address of class B?
Published	04/16/2024	What is the private address range for class C IP addresses?
Published	04/16/2024	What is the private address range for class B IP addresses?
Published	04/16/2024	A class A IP address uses how many octets to represent the network portion of the address?
Published	04/16/2024	Which internet standard describes the concept of private IP addressing?
Published	04/16/2024	Which network service alleviates the problem of the depleting IPv4 address space by allowing multiple hosts on the same private LAN to share a single…
Published	04/16/2024	What method links a combination of private IP address and port number with a corresponding public IP address and port information?
Published	04/16/2024	What process hides the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing devi…
Published	04/16/2024	What is the order of wires in the 568A networking standard?
Published	04/16/2024	In transcievers, how does SFP+ differ from SFP?
Published	04/16/2024	What are the two types of network connection in fiber optics?
Published	04/16/2024	How does APC differ to UPC?
Published	04/16/2024	What is the maximum supported distance of category 5 copper cabling?
Published	04/16/2024	Of the two cable standards, 568A and 568B, which is more common to find in a business or industrial setting?
Published	04/16/2024	Category 6 cables can be either shielded or unshielded. What is the speed and maximum distance of these cables?
Published	04/16/2024	What is the ethernet standard and maximum distance of category 8 cables?
Published	04/16/2024	What is the simplest physical difference between multi-mode fiber and single-mode fiber cables?
Published	04/16/2024	Of APC and UPC connectors, which has a higher return loss?
Published	04/16/2024	What is the maximum range of multi-mode fiber?
Published	04/16/2024	What is the order of the wires in 568A standard?
Published	04/16/2024	How do bi-directional (BiDi) transcievers differ from half-duplex transcievers?
Published	04/16/2024	At what layer of the OSI model would you find a media converter?
Published	04/16/2024	How many pins and conductors are in an RJ-45 connector?
Published	04/16/2024	What are the two common sizes of punchblock?
Published	04/16/2024	What alternative to the 110 block is especially common in Europe
Published	04/16/2024	What does OSI in OSI model stand for?
Published	04/16/2024	What is the mnemonic to remember the OSI model?
Published	04/16/2024	What is TCP, and what layer of the OSI model does it relate to?
Published	04/16/2024	What is the name for a unit of data transferred across the physical layer?
Published	04/16/2024	What is the name for the unit of data transferred across the Data Link layer?
Published	04/16/2024	What is the name for the unit of data transferred across the Network layer?
Published	04/16/2024	What is the name for the unit of data transferred across the Transport layer?
Published	04/16/2024	What does the mnemonic 'Some People Fear Birthdays' stand for?
Published	04/16/2024	What does MAC (in 'MAC address') stand for?
Published	04/16/2024	What does LLC (as in 'LLC layer') stand for?
Published	04/16/2024	What are the two sublayers of the data link layer?
Published	04/16/2024	Internet Protocol (or 'IP') is commonly used in which layer of the OSI model?
Published	04/16/2024	Which layer handles the routing of data between different networks?
Published	04/16/2024	Which layer is responsible for the segmentation of packets?
Published	04/16/2024	When is segmentation of a packet necessary?
Published	04/16/2024	What is the MTU?
Published	04/16/2024	A router is a network device that operates on which layer of the OSI model?
Published	04/16/2024	An Access Point (AP) operates at which layer of the OSI model?
Published	04/16/2024	Encapsulated data received at the Data Link layer follows what format?
Published	04/16/2024	A hub is a network device that operates on which layer of the OSI model?
Published	04/16/2024	What does PDU stand for?
Published	04/16/2024	Does subnetting increase the number of IP addresses available?
Published	04/16/2024	How would you compress the IPv6 address 2600:DDDD:1111:0001:0000:0000:0000:0001?
Published	04/16/2024	How would you compress the IPv6 address 2601:04C3:4002:BE00:0000:0000:0000:0066?
Published	04/16/2024	What are the two main rules of IPv6 compression?
Published	04/16/2024	How are static IPv6 addresses configured?
Published	04/16/2024	In static IPv6 addressing, the seventh bit of the MAC address needs to be inverted. How do you invert a bit?
Published	04/16/2024	How many bits are in an IPv6 address?
Published	04/16/2024	How would you convert the MAC address 8c:2d:aa:4b:98:a7 into a EUI-64 address?
New Card	04/21/2024	Of the 128 bits in an IPv6 address, the last 64 are dedicated to assigning host addresses and is known as the host ID. The first 64 bits are known as …
New Card	04/21/2024	What is the purpose of 6to4 IP addressing?
New Card	04/21/2024	What would you use if you wanted to tunnel IPv6 through a NAT-enabled IPv4 network, something normally not possible with 6to4 addressing?
New Card	04/21/2024	What is dual-stack routing?
New Card	04/21/2024	Since it relies on broadcasts, there is no Address Resolution Protocol (ARP) on IPv6. How are other devices discovered on an IPv6 network?
New Card	04/21/2024	When a device on an IPv6 network sends out a Neighbor Solicitation (NS), what do other devices on the network respond with?
New Card	04/21/2024	How are routers discovered on an IPv6 network?
New Card	04/30/2024	Telnet, or Telecommunication Network, is a protocol used to remotely log in to devices. What port number does it run over, and why is it seldom used?
New Card	04/30/2024	Telnet, a protocol for remotely logging in to systems, has been largely replaced by what protocol? Name it and the port number that it runs over.
New Card	04/30/2024	The DNS protocol, standing for Domain Name System, converts domain names like "chemery.net" into IP addresses. What port does it run over?
New Card	04/30/2024	SMTP, or Simple Mail Transfer Protocol, is used to send emails. Emails can be sent as plaintext or in an encrypted form. What ports does this protocol…
New Card	04/30/2024	SMTP, or Simple Mail Transfer Protocol, is used for outgoing mail. What protocols can be used to receive inbound email?
New Card	04/30/2024	What port numbers are used for POP3?
New Card	04/30/2024	What port numbers are used for IMAP4?
New Card	04/30/2024	What is one benefit that IMAP4 has over POP3?
New Card	04/30/2024	SFTP, or Secure File Transfer Protocol, uses SSH to securely transfer files from one device to another. What port number does it use?
New Card	04/30/2024	FTP, or File Transfer Protocol, is similar to SFTP but has some important differences. What port numbers does it use, and how does it differ from SFTP…
New Card	04/30/2024	Other than SFTP and FTP, what is another (more basic) file transfer protocol, and what port number does it use?
New Card	04/30/2024	DHCP, or Dynamic Host Configuration Protocol, is an important protocol in networking. What does it do, and what ports does it use?
New Card	04/30/2024	What does HTTP stand for and what port does it use?
New Card	04/30/2024	SNMP uses what port?
New Card	04/30/2024	SNMP is used for querying devices and to gather statistics from them. It can also be configured to send alert messages over a different port than it t…
New Card	04/30/2024	What protocol is used for consolidating logs from devices on a network? What port does it use?
New Card	04/30/2024	Devices using syslog send the data to a central location with a very large storage space. What is the name for this device?
New Card	04/30/2024	RDP uses what port?
New Card	04/30/2024	What does NTP stand for, and what port number does it use?
New Card	04/30/2024	SIP, or Session Initiation Protocol, is referred to as a "signalling protocol". What is this signalling referring to, and port numbers does the protoc…
New Card	04/30/2024	SMB, or Server Message Block, is a protocol used on Windows for file transfer and for sending files to a printer. What port number does it use?
New Card	04/30/2024	What port number is used by MS-SQL?
New Card	04/30/2024	What port number is used by Oracle SQL?
New Card	04/30/2024	What port number is used by MySQL?
New Card	04/30/2024	A centralised database containing information about users, their passwords, and other data, is an important feature of many production networks. What …
New Card	04/30/2024	LDAP, or Lightweight Directory Access Protocol, is a protocol used to store and to retrieve information in a network directory. What is the secure for…
New Card	05/01/2024	What are the four steps of a DHCP IP assignment?
New Card	05/01/2024	How does a DHCP relay work?
New Card	05/08/2024	If you make a DNS request of a server and the response comes back labelled as non-authorative, what does that mean of the origin of that data?
New Card	05/08/2024	A machine on your network has its TTL set to a very high number. What issues could this cause?
Status	Last Update	Fields