Test
NWGR Final test
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (87)
1Consider the following IPv4 address structure and answer the following questions.
Check all that apply
- AClass A address
- BClass B address
- CMulticast address
- DA possible network address is 200.201.0.0
- EA possible network address is 130.131.0.0
- FA possible network address is 130.131.255.255
2Consider the following IPv4 address structure and answer the following questions. Check all that apply
- AThis network may have up to 255 hosts.
- BThis network may have up 65 533 hosts
- CThis network may have up to about 16 mio. hosts
- DAs a standard classful network, the standard subnet mask is 255.0.0.0
- EAs a standard classful network, the standard subnet mask is 255.255.0.0
- FAs a standard classful network, its individual subnet mask could be 255.255.192.0
3Write down the base address and the direct broadcast address for the classful IP
Network with the network number 212.126.53 and default network mask.
base address = [blank_start]212.126.53.0[blank_end]
direct broadcast address = [blank_start]212.126.53.255[blank_end]- A212.126.53.0
- B212.126.53.255
4Write down the range of valid IP addresses which can be assigned to hosts in the IP
network with the network number 212.126.53 and default network mask.
first host address = [blank_start]212.126.53.1[blank_end]
last host address = [blank_start]212.126.53.254[blank_end]- A212.126.53.1
- B212.126.53.254
5Given a class B network 190.136.0.0 with fixed length subnet mask 255.255.192.0
Representation of Net-Prefix Length 190.136.0.0 /[blank_start]18[blank_end]
How many subnets are feasible (according to RFC 950)? [blank_start]4[blank_end]
What is the maximum number of hosts in each subnet? Chose e.g. the first applicable subnet: [blank_start]2^14 - 2[blank_end]
What is its subnet number (dotted decimal)? [blank_start]255.255.192.0[blank_end]- A18
- B4
- C2^14 - 2
- D255.255.192.0
6 Are the following IP host addresses globally routable? (Assume default subnet masks corresponding to the network class!)
Check all that aplly- A194.168.1.0
- B198.168.1.1
- C191.168.1.255
- D191.258.11.13
- E172.16.1.1
7Which of the following (classful) subnet masks are feasible or not for the listed network addresses?
- A193.168.3.0
255.255.255.0 - B193.168.3.0
255.255.0.0 - C193.168.3.0
255.255.255.192 - D193.168.3.0
255.255.255.221 - E10.0.0.0
255.255.0.255
- A193.168.3.0
8Which facts hold for loopback addresses? Check all that applies.
- ADoes not access the physical network
- B127.0.0.1 is a loopback address
- CIt is a broadcast address to all hosts in the network
- DIt is defined as the “Localhost”
- EIt is reserved for link-local addressing
9Which facts hold for private IPv4 addresses? Check all that applies.
- ADoes not access the physical network
- BCan be applied to isolated hosts not directly accessible from internet
- CThere are 5 IP address ranges defined for private IP addresses
- D10.0.0.253 is a private IP network address
- E10.0.0.254 is a private IP host address
10Which facts hold for private IPv4 addresses? Check all that applies.
- A127.0.0.0 is a private IP network address
- B192.168.0.0 is a private IP network address
- CCan be translated into globally routable IPv4 addresses by FAT
- DCan be translated into globally routable IPv4 addresses by NAT
- ECan be translated into globally routable IPv4 addresses by PAT
11The class-A-network 10.0.0.0 should support 1022 IPv4 addresses. Determine the subnet mask. [blank_start]255.255.252.0[blank_end]
- A255.255.252.0
12What is the subnet mask of the IP address 172.16.44.1/19 in dotted decimal format? [blank_start]255.255.224.0[blank_end]
- A255.255.224.0
13How many bits are included in an IPv6 address? [blank_start]128[blank_end]
- A128
14Which properties relate to the Internet Protocol? Check all that apply.
- AReliable
- BConnectionless
- CBest effort
- DLayer 4
- EPacket delivery protocol
15Which properties relate to the IPv4 datagram? Check all that apply.
- AConsists of IP header and IP payload
- BIP header carries protocol control information
- CIP payload carries data of lower layer protocols
- DIP datagram is further encapsulated into higher layer frame
- EIP datagram is further encapsulated into lower layer frame
16Which length in bytes has the default IP header? [blank_start]20[blank_end] Bytes
- A20
17Which facts hold for the (standard) IPv4 header fields? Check all that apply.
- AContains Version field
- BHeader length field has size of 1 byte
- CTotal length field is 16 bit long
- DIdentification field is used for reliable packet delivery
- EFlag bits are “0”, “DF”, “MF”
- FTTL specifies the time a packet already travels across the internet
- GTTL maximum number is 65 535
18Which facts hold for the (standard) IPv4 header fields? Check all that apply.
- ATotal length of the IP payload is maximum 65 535 bytes
- BProtocol field defines the underlying layer 1 and 2 protocols used for transmission
- CFragment offset is counted in bytes
- DSource IP address is 4 bytes long
- EDestination IP address is 32 bit long
- FPadding is required to obtain a minimum IP header length of 20 bytes
- GHeader Checksum has to be recalculated at each router
19Check all aspects that apply to the Address Resolution Protocol ARP:
- AIt finds a required hardware address to a given protocol address
- BIt finds a required IP address to a given MAC address
- CHosts use an ARP cache to store e.g. MAC addresses to corresponding IP addresses
- DARP is a true Layer 3 protocol
- EARP can only correlate IP addresses to Ethernet addresses
20Check all aspects that apply to the Address Resolution Protocol ARP:
- AARP requests are sent as MAC (Layer 1 / 2) broadcasts
- BARP replies are sent as MAC (Layer 1 / 2) broadcasts
- CARP requests have to be checked by all NICs within the network
- DARP replies have to be checked by all NICs within the network
- EAs an answer to an ARP request, all hosts in the network send back
21Check all aspects that apply to the Address Resolution Protocol ARP:
- AARP replies contain also the required IP address
- BARP messages are sent as IP datagrams
- CARP requests are sent as ICMP messages
- DARP messages are identified by a certain number in Type Field of the MAC (Ethernet) frame
- E“Ping” is an ARP command
22A host with MAC address 00.01.02.A0.B0.C0 and IP address 192.168.10.10 replies to an ARP request from a host with IPv4 address 192.168.10.11 and MAC address 00.01.02.A0.B0.C1 . What is the destination hardware address of this reply frame?
MAC address [blank_start]00.01.02.A0.B0.C1[blank_end]- A00.01.02.A0.B0.C1
23What is the correct complete order of the following headers for either IP, ARP or ICMP packets?
- AEthernet – ARP – ICMP
- BEthernet – ARP
- CARP - IP
- DEthernet – ICMP
- EEthernet – IP – ICMP
- FEthernet – ARP - IP – ICMP
- GIP – ICMP
24Check all aspects that apply to the Internet Control Message Protocol ICMP:
- AICMP uses the ARP protocol
- BICMP is a Layer 2 protocol
- CICMP is used to for transferring messages from routers
- DICMP uses IP
- EICMP uses TCP
25Check all aspects that apply to the Internet Control Message Protocol ICMP:
- AICMP is used to find IP addresses to given MAC addresses
- BICMP messages do not need the IP header
- C“Ping” is a typical ICMP application
- D“Pong” is a typical ICMP application
- E“Traceroute/Tracert” is a typical ICMP application
26Consider an ICMP response packet. What is the correct order of its different headers?
- AEthernet – IP – UDP –ICMP
- BEthernet - ICMP
- CEthernet – IP – ICMP
- DEthernet – ARP - ICMP
- EEthernet – IP – ICMP – TCP
- FIP – ICMP – Ethernet
27Which statements are correct? Check all that apply.
- ABOOTP is layer 7 protocol
- BDHCP uses TCP
- CDHCP is al “Layer 2.5” protocol
- DDHCP is a layer 7 protocol
- EDHCP uses port 80
- FDHCP is an extension of BOOTP
28Which statements are correct? Check all that apply.
- ADHCP servers allocate IP addresses and parameters to clients
- BDHCP is a client-server protocol
- CDHCPDISCOVER is sent via IP broadcast
- DDHCPOFFER is sent to the IP address of the client
- EDHCP only allows dynamic IP address configuration
29Which statements about DHCP operation are correct? Check all that apply.
- ADHCP operation starts with DHCPOFFER from the server
- BDHCP operation starts with DHCPOFFER from the client
- CDHCP operation starts with DHCDISCOVER from the server
- DDHCP operation starts with DHCDISCOVER from the client
- EAll servers reply DHCPOFFER to a DHCDISCOVER from a client
- FOnly one server replies DHCPOFFER to a DHCDISCOVER from a client
- GAfter DHCPDISCOVER, the client immediately sends DHCPREQUEST
30Which statements about DHCP operation are correct? Check all that apply.
- AOn DHCPOFFER from a server the client issues a DHCPREQUEST
- BThe DHCPACK from a server contains the required information for the client
- CA DHCP lease is renewed by a DHCPRENEW request from the client
- DTo renew a DHCP lease, the client has to send DHCPREQUEST
- EA DHCP lease is automatically updated by the server
- FThe server can force the client to drop the lease by sending DHCPRELEASE
- GThe client can return its lease by sending DHCPRELEASE
31Which is the correct complete header order of DHCP packets in Ethernet LANs?
- AEthernet – RARP – BOOTP – DHCP
- BEthernet – RARP – DHCP
- CEthernet – UDP- DHCP
- DEthernet – TCP- DHCP
- EEthernet – IP - UDP- DHCP
- FEthernet – IP – TCP - DHCP
- GUDP – DHCP
32Which statements about the IPv6 header are correct? Check all that apply.
- AThe IPv6 header has a larger number of fields than the IPv4 header
- BThe IPv6 header has a length of 20 bytes
- CThe IPv6 header has a length of 40 bytes
- DThe IPv6 address has a length of 16 bytes
- EThe IPv6 address has a length of 128 bits
- FThe IPv6 header contains a “Fragmentation Offset” field
33Which statements about IPv6 header and packets are correct? Check all that apply.
- AThe IPv6 header has an “Option” field
- BThe IPv6 header contains a “Version” field
- CThe IPv6 header contains a “Header Checksum” field
- DIf necessary, an IPv6 packet can be fragmented by any intermediate router
- EThe default maximum IPv6 payload is 65 535 bytes
- FThe default MTU length at layer 2 is expected to be at least 68 bytes
- GThe IPv6 header contains a 8 bit “Flow Label” field
34Which statements about IPv6 header and packets are correct? Check all that apply.
- AThe “Next Header” field has 8 bit length
- BThe “Next header” field is similar to the “Protocol” field in the IPv4 header
- CThere are only 2 extension headers allowed
- D“Routing Header” is an extension header
- EICMPv6 does not require an IPv6 header
- F“TCP-Header” or “UDP-Header” is always in the first extension header
- G“TCP-Header” or “UDP-Header” is typically the entry of the last extension header
35Which statements about IPv6 address operations are correct? Check all that apply.
- AAn Ethernet NIC is already delivered with a global unique IPv6 address
- BAn Ethernet NIC is already delivered with a global unique layer2 (MAC) address
- CIPv6 addresses may be assigned manually
- DSLAAC can be applied
- EDHCP(v6) is highly recommended
- FSLAAC is a stateful mechanism
- GLink-local addresses are configured automatically
36Which statements about IPv6 and PMTUD are correct? Check all that apply.
- APMTUD is used to avoid fragmentation
- BMTU is the maximum transfer unit in bits at layer 3
- CMTU is the maximum transfer unit in bytes at layer 3
- DMTU is the maximum transfer unit in bits at layer 2
- EMTU is the maximum transfer unit in bytes at layer 2
- FFragmentation can be done by the source host using the “Fragmentation header”
- GPMTUD can be omitted as long as packets are shorter than 1500 bytes
37Which statements about IPv6 NDP are correct? Check all that apply.
- ANDP is used to avoid fragmentation
- BNDP is used for stateless address auto-configuration
- CNDP replaces ARP
- D“Neighbor Solicitation” is the response to “Neighbor Advertisement”
- E“Neighbor Advertisement” is the response to “Neighbor Solicitation”
- F“Neighbor Advertisement” is sent as an ICMPv6 packet
- G“Neighbor Solicitation” is sent to a solicited-node multicast address
38Which statements about SLAAC are correct? Check all that apply.
- ASLAAC is a stateless autoconfiguration protocol
- BSLAAC always requires a dedicated server
- CSLAAC is designed for both routers and clients
- DSLAAC uses special ICMPv6 type messages
39Which statements about SLAAC are correct? Check all that apply.
- A“Router Advertisement” messages are sent by the client in search of a router
- B“Router Advertisement” messages are sent periodically by routers
- C“Router Solicitation” messages are sent by the client in search of a router
- DRouter Solicitation” messages are sent periodically by routers
- E“Prefix Advertisement” and/or “Double Address detection” are typical SLAAC tasks
40Which statements about SLAAC are correct? Check all that apply.
- ASLAAC uses distinct ICMPv6 message types
- B“Router Advertisement” is sent by the router are sent to a solicited multicast destination address, e.g. FF02::1:FF01:B
- C“Router Advertisement” is sent by the router are sent to an all-node multicast destination address, e.g. FF02::1
- D“Router Advertisement” returns the desired network prefix, e.g. 2001:ABCD:EF98:1234::/64
- E“Router Advertisement” are returned by the all-routers multicast destination address FE80::/10
41The types of IP forwarding are: ?
- ADirect IP forwarding
- BIndirect IP forwarding: Routing
- CRe-Direct IP forwarding
- DMulti Re-Direct Routing
42Does routing protocols change a static route entry ?
- AYes
- BNo
- CYes, if the next hop is known
- DYes; if the next router is known
43Which types of mappings are found in a routing table:
- AThe direct routes
- BThe indirect routes
- CThe default routes
- DThe mandatory routes
- EThe re-direct routes
44Which routing protocol do you know?
- ARouting Information protocol (RIP)
- BOpen Shortest Path First (OSPF)
- CBorder Gateway Protocol (BGP)
- DMedia Access protocol (MAP)
- ETable Information protocol (TIP)
45On which layer according to the ISO/OSI- and/or the TCP-model is UDP located?
- ALayer 1: Physical
- BLayer 2: Data Link
- CLayer 3: Network
- DLayer 4: Transport
- ELayer 5: Session
- FLayer 6: Presentation
- GLayer 7: Application
46Check all correct answers that apply to UDP:
- AIt is a standard protocol
- BIt is an application interface to IP
- CIt provides error recovery
- DIt provides no guaranteed data delivery
- EIt provides flow control
- FIt provides retransmission
- GIt is stateless
47Check all correct orders of headers and payload, when an application process sends data via UDP, IP and Ethernet (ETH):
- AIP – ETH – UDP – payload
- BIP – UDP – payload
- CETH – IP – UDP – payload
- DETH – UDP – IP – payload
- EETH – UDP – payload
- FETH – IP – UDP – TCP – payload
- GETH – IP – UDP – SNMP – payload
48What is the length of the UDP-Header? Check all correct answer(s):
- A2 bytes
- B16 bits
- C8 bytes
- D64 bits
- E64 bytes
- F512 bits
- Gvariable
49Check all correct answers that apply to the UDP header fields:
- ASource Port, Field Length = 2 Bytes
- BSource Port, Field Length L = 1 Byte
- CSource Port, max. number is 65 535
- DDestination Port, Field Length L = 16 bits
- EDestination Port, max. number is 90 000
- FLength; Field Length = 32 bits
- GChecksum, Field Length = 2 Bytes
50Over which portions is the checksum in the UDP header calculated?
- AUDP header + UDP payload
- BIP header + UDP header + UDP payload
- CPseudo IP header + UDP header
- DPseudo IP header + UDP header + UDP payload
- EEthernet header + Pseudo IP header + UDP header + UDP payload
- FEthernet header + Pseudo IP header + UDP header
- GEthernet header + Pseudo IP header + UDP header + TCP header
51Which fields does the pseudo-IPv4 header contain? Check all answers that apply:
- ASource IP address, destination IP address
- BSource IP address, destination IP address, zero, protocol, UDP length
- CSource IP address, destination IP address, protocol, UDP length, UDP payload
- DUDP source port, UDP destination port, zero, protocol, UDP length
52Which functions does the UDP API consist of? Check all that applies:
- ASend operation, receive operation, creation of new receive ports
- BReceive operation, send operation, connection establishment
- CSend operation, receive operation, flow control
- DReceive operation, send operation, data reordering
53What does the receive operation of the UDP API return? Check all that applies:
- ASource IP address
- BData bytes
- CData sequence number
- DSource port
- EDestination port
- FDestination IP address
54What are the parameters of the send operation of the UDP API? Check all that applies:
- ASource IP address
- BPointer to data bytes
- CData sequence number
- DSource port
- EDestination port
- FDestination IP address
55Which standard applications use UDP? Check all that applies:
- ATFTP
- BFTP
- CLDAP
- DHTTP
- EEmail (SMTP, POP, IMAP)
- FICMP
- GReal-Time Audio/Video
- HGaming
56Check all correct answers that apply to TCP:
- AIt is a standard protocol
- BIt is an application interface to IP
- CIt provides no error recovery
- DIt provides guaranteed data delivery
- EIt provides flow control
- FIt provides no retransmission
- GIt provides congestion control
- HIt is stateless
57What do have TCP and UDP in common? Check all that apply:
- AThey use port numbers for addressing of services/applications
- BThey provide error recovery
- CThey are connection-oriented protocols
- DThey provide reliability
- EThey are located on layer 4
58Check all correct orders of headers and payload, when an application process sends data via TCP, IP and Ethernet (ETH):
- AIP – ETH – TCP – payload
- BIP – TCP – payload
- CETH – IP – TCP – payload
- DETH – IP - TCP – HTTP – payload
- EETH – TCP – payload
- FIP –TCP – HTTP - payload
- GETH – IP – TCP – FTP – payload
59What does stream data transfer mean in the context of TCP? Check all that apply:
- ATCP sends data continuously without any intervals
- BThe application process has to chop the data in adequate blocks before sending via TCP
- CTCP itself decides how to chop user data into TCP segments
60What does the sequence number in each TCP segment refer to? Check all that apply:
- ANumber of transmitted segment
- BNumber of bytes transmitted in the current TCP segment
- CNumber of first byte in the TCP payload
- DThe TCP software at the destination host can use the sequence number to rearrange the received segments in case they arrive out of order
- EThe TCP software at the destination host can detect missing segments according to the sequence number
61What aspects are connected to reliability of TCP? Check all that apply:
- ATCP assigns a sequence number to each segment
- BTCP software at the source expects a positive acknowledgement ACK from the receiver
- CTCP controls IP to send data only via reliable channels
- DIf the ACK is not received within a certain timeout interval, the sender TCP module will retransmit the TCP segment
- ETCP cannot eliminate duplicate TCP segments.
62What does the window field indicate sent by host B to the source host A? Check all that apply:
- AIt is related to multiplexing of data via ports of A and B
- BIt is primarily related to retransmission from A to B
- CIt prevents overflow in the sender TCP buffer A
- DIt prevents overflow in the receiver TCP buffer B
- EIt indicates to source A the number of segments which receiver buffer B is still capable to receive
- FIt indicates to source A the number of bytes which receiver buffer B is still capable to receive
63How is the multiplexing of application data achieved at the TCP layer? Check all that apply:
- ABy IP addresses
- BBy Ethernet addresses
- CBy different sequence numbers
- DBy different ports
- EBy different window sizes
64What is the length of the standard (default) TCP header? Check all that apply:
- A32 bytes
- B32 bits
- C5 bytes
- D20 bytes
- E128 bits
- F512 bits
- Gvariable
65Which control flags are used in the TCP header? Check all that apply:
- ATTL
- BSEQ
- CACK
- DSYN
- EURG
- FNOP
- GFIN
- HIn total 5 flags
- IIn total 6 flags
66What is the maximum number of the source port and destination field in the TCP header? [blank_start]65535[blank_end]
- A65535
67What is (roughly) the maximum sequence number? [blank_start]2^31[blank_end]
- A2^31
68What is the maximum number in the Data Offset field and what is hence the maximum TCP header size? [blank_start]20[blank_end] bytes
- A20
69What is the meaning of an acknowledgement number N in the TCP header? Check all that apply:
- AThe number of correctly received TCP segments
- BAll TCP segments up to number N-1 are received correctly
- CAll bytes up to number N-1 are received correctly
- DThe size of the available receive buffer in bytes
- EThe sequence number of the first byte in the next expected segment
70Over which portions is the checksum within the TCP header calculated?
- ATCP header + TCP data
- BIP header + TCP header + TCP data
- CPseudo IP header + TCP header
- DPseudo IP header + TCP header + TCP data
- EEthernet header + Pseudo IP header + TCP header + TCP data
- FEthernet header + Pseudo IP header + TCP header
71The sender transmits 1 byte of data per TCP segment to the receiver, starting with sequence number SN = 1. Which acknowledge number AN will be sent back by the receiver to acknowledge the correct receipt of these data bytes?
Answer: AN = [blank_start]8[blank_end]
- A7
72The sender transmits 10 byte of data per TCP segment to the receiver, starting with sequence number SN = 50. Which acknowledge number AN will be sent back by the receiver to acknowledge the correct receipt of these data bytes?
Answer: AN=[blank_start]111[blank_end]
- A111
73TCP connection establishment: Which sequence numbers SN will be sent by the server and the client at the segments indicated by “AN = ???”
segment server to client AN = [blank_start]501[blank_end]
segment client to server AN = [blank_start]121[blank_end]
- A501
- B121
74Consider the shown TCP data communication. Is client A allowed to send a segment of 500 data bytes? :
- AYes
- BNo
75Consider the shown TCP data communication. Is client A allowed to send the 2 segments of 400 data bytes each? :
- ADATA 1 only can be sended
- BDATA 1 and DATA 2 can be sended
- CDATA 1 and DATA 2 both cannot be sended
76Which standard applications use TCP? Check all that applies:
- ATFTP
- BFTP
- CHTTP
- DHTTPS
- EEmail (SMTP, POP, IMAP)
- FARP
77How is the application process addressed? Check all that applies:
- AUDP segment number
- BIP identification number
- CProcess identification number, ports number and sockets
78Which statements on port numbers are correct? Check all that applies:
- ATCP/IP port numbers are 32 bit numbers
- BTCP/IP port numbers are 2 byte numbers
- CA HTTP-client uses port number 80
- DA HTTP-client may use port number 8000
- EA HTTP-client may use port number 80 000
- FThe default HTTP server port number is 80
79Which statements on well-known and ephemeral ports are correct? Check all that applies:
- A80 is a well-known port number
- B1000 is an ephemeral port number
- CWell-known ports are uniquely assigned by IANA to certain application layer services at servers
- DRegistered port numbers can be used by internet clients
- EClient processes must use well-known ports
80Which statements on sockets are correct? Check all that applies:
- AEach side of a TCP connection has a socket which can be identified by the following triple
< TCP, TCP segment number, IP address > - BEach side of a TCP connection has a socket which can be identified by the following triple
< Port number, TCP segment number, IP address > - CEach side of a TCP connection has a socket which can be identified by the following triple
< TCP, IP address, port number > - DA logical TCP connection between a server and client is identified by
< TCP segment number, local IP address, local port, ACK number, remote IP address > - EA logical TCP connection between a server and client is identified by
< TCP, local IP address, local port, remote IP address, remote port >
- AEach side of a TCP connection has a socket which can be identified by the following triple
81On which layer according to the ISO/OSI- and/or the TCP-model is DNS located?
- A1 Physical
- B2 Data Link
- C3 Network
- D4 Transport
- E5 Session
- F6 Presentation
- G7 Application
82Which are no generic TLDs? Check all that apply:
- A.com
- B.technikum-wien.at
- C.at
- D.gov
- E.edu
- F.fhtw
- G.cc
83What is contained within a resource record? Check all that apply:
- ADomain name
- BDomain name registry
- CEither UDP or TCP protocol
- DType
- ETime-to-live
- FRange of IP addresses
- GRdata (e.g., IPv4 address)
84
“A” resource record - [blank_start]Host address[blank_end]
“AAAA” resource record - [blank_start]IPv6 address[blank_end]
“NS” resource record - [blank_start]Name server[blank_end]
“MX” resource record - [blank_start]Mail exchange[blank_end]
“LOC” resource record - [blank_start]Location information[blank_end]
“PTR” resource record - [blank_start]Domain Name Pointer[blank_end]
“SRV” resource record - [blank_start]Server selection[blank_end]- AHost address
- BIPv6 address
- CName server
- DMail exchange
- ELocation information
- FDomain Name Pointer
- GServer selection
85If a local DNS server starts an iterative query, what is the correct order of inquired name servers? Check the correct answer.
- AAuthorative name server – TLD server – root server
- BAuthorative name server only, it performs further enquiries
- CTLD name server
- DTLD server – root server
- ERoot server – TLD server – authorative name server
- FRoot server only, it performs further enquiries
86All ones addressed - [blank_start]Broadcast address local network[blank_end]
All zeros network number - [blank_start]Host in a network[blank_end]
All zeros number - [blank_start]This host[blank_end]
All one host number - [blank_start]Broadcast address this specific netw.[blank_end]
All zeros host number - [blank_start]Network itself[blank_end]- ABroadcast address local network
- BHost in a network
- CThis host
- DBroadcast address this specific network
- ENetwork itself
87Relate the IP-Addresses given in the left column with their corresponding description within the right-hand column.
192.168.16.192/30 - [blank_start]2 assignable Hosts per subnet[blank_end]
172.27.64.98/22 - [blank_start]1024 Addresses per subnet[blank_end]
172.18.125.6/19 - [blank_start]3 Subnet-Bits[blank_end]
10.1.167.36/13 - [blank_start]Nothing of the above[blank_end]
10.24.51.3/8 - [blank_start]The network is not divided into subnets[blank_end]
172.31.16.128/20 - [blank_start]16 Subnets in total[blank_end]- A2 assignable Hosts per subnet
- B1024 Addresses per subnet
- C3 Subnet-Bits
- DNothing of the above
- EThe network is not divided into subnets
- F16 Subnets in total
Información
- Descripción
- Test sobre NWGR Final test, creado por Ary Obenholzner el 24/01/2016.
- Autor
- Ary Obenholzner
- Idioma
- Deutsch
- Visitas
- 3
- Valoración
- Aún sin valoraciones Valora este test