</p> 14: If the destination did not receive a segment, how will the TCP host know to resend the information?; D: u' i% A2 W+ j* O$ I: J. `5 @1 |
A. The ACK received will not include the segment number that was not received.
c7 _1 I* M0 w! ]0 t4 U0 R% m) [* t B. The ACK received will include the segment number that was not received.; x" H1 |) p/ P, z1 D' q, G
C. The sending host will send a PACK to verify segment receipt.
% @+ ]5 `! L+ b* x, D D. The destination host will send a YACK message back to the sending host.( {6 Z3 @! Y4 _7 H) K! S: l: J
15: You are planning on using a single network that supports 208 users. Which IP address class would you choose to be the most efficient?
/ ~: Q! a& G, p3 l5 T A. Class A
' A6 b m( t' H+ k2 F B. Class B
; b3 {& c/ i2 [ C. Class C
( a& t& n# H' }& n D. Class D. s# c2 E) \9 W; m: Y
E. Class E0 g3 S2 }+ i' s7 \
16: RFC 1918 defines the private IP address ranges. Which of the following IP addresses are considered part of these ranges? (Choose three.)
' {! O! R4 t' e$ k/ I3 X; y( P A. 10.23.45.67
+ P4 w7 u) J7 r* P B. 126.21.34.56+ X( i2 @" `- |- H/ B
C. 172.16.32.1# P" U/ G* R; k5 O
D. 172.31.234.553 R$ w# @& r/ ^# ]( x' T0 x, X
E. 192.169.4.51 A s' e. ~1 x' e! ]0 s: ~# K1 r
17: A new network is being designed for your company, Acme, Inc. If you use a Class C IP network, which subnet mask will provide one usable subnet per department while allowing enough usable host addresses for each department specified in the table?
! W, N1 @9 H d" \6 V Department% ]% Z9 q7 e7 D
Number of Users
+ b* x# k( T* q/ ^, R Corporate1 B& c; \- I+ U" }2 o8 h
72 u, V# ]8 f9 o% N" B9 s/ q
Customer Support
* J# | `; ?( a: m! f, |7 g# E 15
R. F! w" V: G% p2 C. b Financial5 F' t" ^- e8 d
13! _/ Z. m. R4 j1 }) u+ |
HR! r5 \% \( Z6 o$ d
7# B4 S( m2 G0 F2 I
Engineering: l% @4 s. a" g; J1 C
16. U9 g8 | q% O5 B/ E! q# t
A. 255.255.255.0
/ G* J% B* n& E9 f( I2 g/ j B. 255.255.255.192
% }" |- u8 A1 O' t {5 Q C. 255.255.255.224
, P' i- T \9 w6 f# w @ D. 255.255.255.240- B8 h$ z( D7 l# Z& I: Y8 d
E. 255.255.255.248
4 ?: |4 U; S/ B5 s$ F: [* | 18: Which of these protocols provides data transport, relying on the error correction capabilities of the application itself?
4 k% }; m" X2 O1 ^+ H/ r A. UDP
! }# J1 w8 t" ~* q, \ B. TCP7 S, a6 `8 b! y% H/ ~
C. SNMP
: b5 |$ a3 X+ |6 Z( p$ U D. ICMP8 _- V. E' T+ U5 g: n
19: Which of the following are used by TCP to ensure reliable delivery of data? (Choose two.). i0 _- N- J: C) q$ E7 L
A. MAC address resolution
- c" m p- X5 F$ a. j B. Sequence numbers+ R; W1 w% \" {. a3 h% e5 K
C. Acknowledgments2 Q5 `$ S; R3 t' d; j1 {
D. Ping0 U0 F; A( k0 R8 U+ r
E. Routing updates: k% u- G, r3 a
20: You discover that you are able to adjust the window size of the TCP segment. You increase the window size to test the results. What will you observe happening on your network?8 {$ V/ _! B& g* ~
A. Increased throughput9 Y: `; O" P! P: V
B. Decreased throughput
7 t3 I* n9 U! V; m C. Increased latency
" p; s, f* l s ]5 k& F. R
: y4 z( \9 [$ v' R2 u8 [. Z( V D. Decreased reliability |