思科认证：CCNA真题(二)

会计考友

a. 255.255.255.128
2 d. u0 \, n( _) C. D7 |b. 255.255.255.192
c. 255.255.255.224
0 C% Q# q  R8 `8 _& p$ Y6 k& Rd. 255.255.255.240
2 t8 i; w; m4 v! f! B% `5 `e. 255.255.255.248
7: you have subnetted the 210.106.14.0 network with a /24 mask. your boss at acme， inc. wants to know how many usable subnetworks and usable host addresses per subnet this would provide. what should you tell her?
! t+ j" ^4 t0 M$ m% L* O. S. la. one network with 254 hosts
) Z- X+ g  _* p  Y5 y0 {b. two networks with 128 hosts
c. four networks with 64 hosts
d. six networks with 30 hosts
: d5 }, }4 d7 ?, Z8: identify three valid host addresses in any subnet of the 201.168.27.0 network， assuming a fixed subnet mask of 255.255.255.240.
a. 201.168.27.33
! {- \$ }* J1 kb. 201.168.27.112
c. 201.168.27.119
d. 201.168.27.126
1 `+ y% }2 z, l" n( D2 je. 201.168.27.175
! G+ ?+ L* o8 y
f. 201.168.27.208

会计考友

</p>9: what is the subnetwork address for a host with the ip address 201.100.5.68/28?
a. 201.100.5.0
/ N, C) v+ O! C6 [- Ob. 201.100.5.32
# f  W( Z: P. b0 jc. 201.100.5.64
: l9 \: `; y; L( E( P& Nd. 201.100.5.65
e. 201.100.5.31
, s. y6 X& x6 D/ Yf. 201.100.5.1
3 Y8 w+ P: I7 @# L- y- H10: which of the following protocols uses a threeway handshake mechanism to establish sessions?
a. tcp
" z+ g) i. j! N* W  T5 Fb. ip
c. udp
d. ipx
* e+ p8 L" |6 P2 j4 [' ~$ L' \e. frame relay