Question 7: Consider the following hexdump of example.bin, creation of file output.bin, and run of the dd command. $ xxd example.bin. 00000000: 689f cd60 ee92 5b7e Oefl 7484 405f 32ba h.... [~...@_2. 00000010: 4234 8dea 725a 62d0 5414 18cc 37ce 328a B4..rZb.T...7.2. 00000020: le87 95c2 67a0 c666 0491 3d2c ca70 54e6 ....g..f..-, .pT. 00000030: 54a3 3dlb 6478 3f71 0c50 e82c 1113 d311 T.-.dx?q. P., .... $ echo -n abcdefghijklmnop > output.bin $ dd if-example.bin of output.bin bs-1 skip-8 seek-8 count=4 status-none What is the output of running the following command xxd output.bin A: 00000000: ee92 5b7e 6566 67 68 696a 6b6c 6d6e 6£70 B: 00000000: 689f cd60 C: 00000000: 6162 6364 65 66 6768 ee92 5b7e. D: 00000000: 6162 ee92 5b7e 6768 696a 6b6c 6d6e 6£70. E: 00000000: 6162 6464 65 66 6768 Oefl 7484 Question 8: Here is a hexdump of sample.bin $ xxd sample.bin .. [~efghijklmnop h... abcdefgh.. [~ ab.. [~ghijklmnop abcdefgh...t. 00000000: 3544 3f0a be07 2cd7 ecc4 dd3f ecf7 3df9 5D?..., 00000010: 927a 5b24 c066 9c20 1fbf 2094 cdae 47f3 .z[$.f. 00000020: b807 79d0 6685 035d b60f 771a 10de 54c6 ..y.f.... w... T. 00000030: £524 083b 5c40 f080 d2ef ecdb 15dd 2199 .$.;\@ .. ...G. What is the output of running the following command dd if=sample.bin bs-8 skip-4 count-1 status-none | xxd A: 00000000: 92 B: 00000000: 2c C: 00000000: be07 2cd7 ecc4 dd3f D: 00000000: £524 083b 5c40 £080 E: 00000000: b807 79d0 6685 035d .$.; \@... ..y.f..] Question 9: Consider the following hexdump: 00000000: fffe fdfc fbfa f9f8 f7f6 f5f4 f3f2 f1f0 00000010: efee edec ebea e9e8 e7e6 e5e4 e3e2 ele0 00000020: dfde dddc dbda d9d8 d7d6 d5d4 d3d2 d1d0 What is the offset of the byte 0xd3 in the hexdump? A: 0x2c B: 0x2e C: 0x2d D: 0x0c E: 0x1d Question 10: Consider the following hexdump of sample.bin, creation of file output.bin, and run of the dd command. $ xxd sample.bin 00000000: d9a7 ff09 c79e 889d b6ed 8c01 7795 b2f3 .W... 00000010: 9930 b238 f5c9 c318 7ef7 e42b bf4e c2f2 .0.8......+. N.. 00000020: e10d 7245 dfa0 c349 0f40 6d51 ddc7 6dca ..rE... I. @mQ..m. 00000030: 30eb 2909 729b e319 09c0 6fa5 296d 5dd9 0.) .r.....o.)m]. $ echo -n abcdefghijklmnop > output.bin $ dd if=sample.bin of-output.bin bs=1 skip=4 seek=8 count=4 conv-notrunc status none What is the output of running the following command xxd output.bin A: 00000000: 6162 6364 65 66 6768 c79e 889d abcdefgh.... B: 00000000: 6162 6364 65 66 67 68 696a 6b6c c79e 889d abcdefghijkl.... C: 00000000: c79e 889d 6566 6768 696a 6b6c 6d6e 6f70 ....efghijklmnop D: 00000000: 6162 6364 6566 6768 c79e 889d 6d6e 6f70 abcdefgh....mnop E: 00000000: c79e 889d

Question 7: Consider the following hexdump of example.bin, creation of file output.bin, and run of the dd command. $ xxd example.bin. 00000000: 689f cd60 ee92 5b7e Oefl 7484 405f 32ba h.... [~...@_2. 00000010: 4234 8dea 725a 62d0 5414 18cc 37ce 328a B4..rZb.T...7.2. 00000020: le87 95c2 67a0 c666 0491 3d2c ca70 54e6 ....g..f..-, .pT. 00000030: 54a3 3dlb 6478 3f71 0c50 e82c 1113 d311 T.-.dx?q. P., .... $ echo -n abcdefghijklmnop > output.bin $ dd if-example.bin of output.bin bs-1 skip-8 seek-8 count=4 status-none What is the output of running the following command xxd output.bin A: 00000000: ee92 5b7e 6566 67 68 696a 6b6c 6d6e 6£70 B: 00000000: 689f cd60 C: 00000000: 6162 6364 65 66 6768 ee92 5b7e. D: 00000000: 6162 ee92 5b7e 6768 696a 6b6c 6d6e 6£70. E: 00000000: 6162 6464 65 66 6768 Oefl 7484 Question 8: Here is a hexdump of sample.bin $ xxd sample.bin .. [~efghijklmnop h... abcdefgh.. [~ ab.. [~ghijklmnop abcdefgh...t. 00000000: 3544 3f0a be07 2cd7 ecc4 dd3f ecf7 3df9 5D?..., 00000010: 927a 5b24 c066 9c20 1fbf 2094 cdae 47f3 .z[$.f. 00000020: b807 79d0 6685 035d b60f 771a 10de 54c6 ..y.f.... w... T. 00000030: £524 083b 5c40 f080 d2ef ecdb 15dd 2199 .$.;\@ .. ...G. What is the output of running the following command dd if=sample.bin bs-8 skip-4 count-1 status-none | xxd A: 00000000: 92 B: 00000000: 2c C: 00000000: be07 2cd7 ecc4 dd3f D: 00000000: £524 083b 5c40 £080 E: 00000000: b807 79d0 6685 035d .$.; \@... ..y.f..] Question 9: Consider the following hexdump: 00000000: fffe fdfc fbfa f9f8 f7f6 f5f4 f3f2 f1f0 00000010: efee edec ebea e9e8 e7e6 e5e4 e3e2 ele0 00000020: dfde dddc dbda d9d8 d7d6 d5d4 d3d2 d1d0 What is the offset of the byte 0xd3 in the hexdump? A: 0x2c B: 0x2e C: 0x2d D: 0x0c E: 0x1d Question 10: Consider the following hexdump of sample.bin, creation of file output.bin, and run of the dd command. $ xxd sample.bin 00000000: d9a7 ff09 c79e 889d b6ed 8c01 7795 b2f3 .W... 00000010: 9930 b238 f5c9 c318 7ef7 e42b bf4e c2f2 .0.8......+. N.. 00000020: e10d 7245 dfa0 c349 0f40 6d51 ddc7 6dca ..rE... I. @mQ..m. 00000030: 30eb 2909 729b e319 09c0 6fa5 296d 5dd9 0.) .r.....o.)m]. $ echo -n abcdefghijklmnop > output.bin $ dd if=sample.bin of-output.bin bs=1 skip=4 seek=8 count=4 conv-notrunc status none What is the output of running the following command xxd output.bin A: 00000000: 6162 6364 65 66 6768 c79e 889d abcdefgh.... B: 00000000: 6162 6364 65 66 67 68 696a 6b6c c79e 889d abcdefghijkl.... C: 00000000: c79e 889d 6566 6768 696a 6b6c 6d6e 6f70 ....efghijklmnop D: 00000000: 6162 6364 6566 6768 c79e 889d 6d6e 6f70 abcdefgh....mnop E: 00000000: c79e 889d